{"api_version":"1","generated_at":"2026-04-21T19:49:36+00:00","cve":"CVE-2025-59969","urls":{"html":"https://cve.report/CVE-2025-59969","api":"https://cve.report/api/cve/CVE-2025-59969.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-59969","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-59969"},"summary":{"title":"Junos OS Evolved: QFX5000 Series and PTX Series: An attacker sending crafted multicast packets will cause evo-aftmand / evo-pfemand to crash and restart","description":"A Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the advanced forwarding toolkit (evo-aftmand/evo-pfemand) of Juniper Networks Junos OS Evolved on PTX Series or QFX5000 Series allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).An attacker sending crafted multicast packets will cause line cards running evo-aftmand/evo-pfemand to crash and restart or non-line card devices to crash and restart. Continued receipt and processing of these packets will sustain the Denial of Service (DoS) condition.\n\nThis issue affects Junos OS Evolved PTX Series:\n\n\n\n  *  All versions before 22.4R3-S8-EVO,\n  *  from 23.2 before 23.2R2-S5-EVO,\n  *  from 23.4 before 23.4R2-EVO,\n  *  from 24.2 before 24.2R2-EVO,\n  *  from 24.4 before 24.4R2-EVO.\n\n\n\n\nThis issue affects Junos OS Evolved on QFX5000 Series:\n\n\n\n  *  22.2-EVO version before 22.2R3-S7-EVO,\n  *  22.4-EVO version before 22.4R3-S7-EVO,\n  *  23.2-EVO versions before 23.2R2-S4-EVO,\n  *  23.4-EVO versions before 23.4R2-S5-EVO, \n  *  24.2-EVO versions before 24.2R2-S1-EVO,\n  *  24.4-EVO versions before 24.4R1-S3-EVO, 24.4R2-EVO.\n\n\nThis issue does not affect Junos OS Evolved on QFX5000 Series versions before: 21.2R2-S1-EVO, 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO, and 22.1R1-EVO.","state":"PUBLISHED","assigner":"juniper","published_at":"2026-04-09 22:16:24","updated_at":"2026-04-13 15:02:27"},"problem_types":["CWE-120","CWE-120 CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"],"metrics":[{"version":"4.0","source":"sirt@juniper.net","type":"Secondary","score":"7.1","severity":"HIGH","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:C/RE:M/U:Amber","data":{"version":"4.0","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:C/RE:M/U:Amber","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"LOW","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"YES","Recovery":"USER","valueDensity":"CONCENTRATED","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER"}},{"version":"4.0","source":"CNA","type":"CVSS","score":"7.1","severity":"HIGH","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:U/V:C/RE:M/U:Amber","data":{"Automatable":"YES","Recovery":"USER","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"ADJACENT","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"AMBER","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"CONCENTRATED","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:U/V:C/RE:M/U:Amber","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"MODERATE"}},{"version":"3.1","source":"sirt@juniper.net","type":"Primary","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://kb.juniper.net/JSA103159","name":"https://kb.juniper.net/JSA103159","refsource":"sirt@juniper.net","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-59969","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-59969","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 22.4R3-S8-EVO semver","platforms":["PTX Series"]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 23.2 23.2R2-S5-EVO semver","platforms":["PTX Series"]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 23.4 23.4R2-EVO semver","platforms":["PTX Series"]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 24.2 24.2R2-EVO semver","platforms":["PTX Series"]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 24.4 24.4R2-EVO semver","platforms":["PTX Series"]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 22.2 22.2R3-S7-EVO semver","platforms":["QFX5000 Series"]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 22.4 22.4R3-S7-EVO semver","platforms":["QFX5000 Series"]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 23.2 23.2R2-S4-EVO semver","platforms":["QFX5000 Series"]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 23.4 23.4R2-S5-EVO semver","platforms":["QFX5000 Series"]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 24.2 24.2R2-S1-EVO semver","platforms":["QFX5000 Series"]},{"source":"CNA","vendor":"Juniper Networks","product":"Junos OS Evolved","version":"affected 24.4 24.4R1-S3-EVO, 24.4R2-EVO semver","platforms":["QFX5000 Series"]}],"timeline":[{"source":"CNA","time":"2026-01-14T17:00:00.000Z","lang":"en","value":"Initial Publication"}],"solutions":[{"source":"CNA","title":"","value":"The following software releases have been updated to resolve this specific issue:\nFor PTX Series: 22.4R3-S8-EVO, 23.2R2-S5-EVO, 23.4R2-EVO, 24.2R2-EVO, 24.4R2-EVO, 25.2R1-EVO, and all subsequent releases.\nFor QFX5000 Series: 22.2R3-S7-EVO, 22.4R3-S7-EVO, 23.2R2-S4-EVO, 23.4R2-S5-EVO, 24.2R2-S1-EVO, 24.4R1-S3-EVO, 24.4R2-EVO, 25.2R1-EVO, and all subsequent releases.","time":"","lang":"en"}],"workarounds":[{"source":"CNA","title":"","value":"There are no known workarounds for this issue.","time":"","lang":"en"}],"exploits":[{"source":"CNA","title":"","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability.","time":"","lang":"en"}],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2025","cve_id":"59969","cve":"CVE-2025-59969","epss":"0.000190000","percentile":"0.047580000","score_date":"2026-04-15","updated_at":"2026-04-16 00:13:57"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2025-59969","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-04-10T18:14:54.287372Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-04-10T18:15:06.090Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","modules":["evo-aftmand"],"platforms":["PTX Series"],"product":"Junos OS Evolved","vendor":"Juniper Networks","versions":[{"lessThan":"22.4R3-S8-EVO","status":"affected","version":"0","versionType":"semver"},{"lessThan":"23.2R2-S5-EVO","status":"affected","version":"23.2","versionType":"semver"},{"lessThan":"23.4R2-EVO","status":"affected","version":"23.4","versionType":"semver"},{"lessThan":"24.2R2-EVO","status":"affected","version":"24.2","versionType":"semver"},{"lessThan":"24.4R2-EVO","status":"affected","version":"24.4","versionType":"semver"}]},{"defaultStatus":"unaffected","modules":["evo-pfemand"],"platforms":["QFX5000 Series"],"product":"Junos OS Evolved","vendor":"Juniper Networks","versions":[{"lessThan":"22.2R3-S7-EVO","status":"affected","version":"22.2","versionType":"semver"},{"lessThan":"22.4R3-S7-EVO","status":"affected","version":"22.4","versionType":"semver"},{"lessThan":"23.2R2-S4-EVO","status":"affected","version":"23.2","versionType":"semver"},{"lessThan":"23.4R2-S5-EVO","status":"affected","version":"23.4","versionType":"semver"},{"lessThan":"24.2R2-S1-EVO","status":"affected","version":"24.2","versionType":"semver"},{"lessThan":"24.4R1-S3-EVO, 24.4R2-EVO","status":"affected","version":"24.4","versionType":"semver"}]}],"configurations":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<span style=\"background-color: rgb(255, 255, 255);\">Required Configuration for Exposure:&nbsp;<br><br></span><tt>&nbsp; [ protocols mld ]<br></tt>or<br><tt>&nbsp; [ protocols pim ]<br></tt>"}],"value":"Required Configuration for Exposure: \n\n  [ protocols mld ]\nor\n  [ protocols pim ]"}],"datePublic":"2026-04-08T16:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the advanced forwarding toolkit (evo-aftmand/<span style=\"background-color: rgb(255, 255, 255);\">evo-pfemand</span>) of Juniper Networks Junos OS Evolved on PTX Series or QFX5000 Series allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).<p>An attacker sending crafted multicast packets will cause line cards running evo-aftmand/evo-pfemand to crash and restart or non-line card devices to crash and restart.&nbsp;<span style=\"background-color: rgba(255, 255, 255, 0.85);\">Continued receipt and processing of these packets will sustain the Denial of Service (DoS) condition.</span></p><p>This issue affects Junos OS Evolved PTX Series:</p><p></p><ul><li>All versions before 22.4R3-S8-EVO,</li><li>from 23.2 before 23.2R2-S5-EVO,</li><li>from 23.4 before 23.4R2-EVO,</li><li>from 24.2 before 24.2R2-EVO,</li><li>from 24.4 before&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">24.4R2-EVO.</span></li></ul><p></p><p>This issue affects Junos OS Evolved on QFX5000 Series:</p><p></p><ul><li>22.2-EVO version before 22.2R3-S7-EVO,</li><li>22.4-EVO version before 22.4R3-S7-EVO,</li><li>23.2-EVO versions before 23.2R2-S4-EVO,</li><li>23.4-EVO versions before 23.4R2-S5-EVO, </li><li>24.2-EVO versions before 24.2R2-S1-EVO,</li><li>24.4-EVO versions before 24.4R1-S3-EVO, 24.4R2-EVO.</li></ul>This issue does not affect Junos OS Evolved on QFX5000 Series versions before: 21.2R2-S1-EVO, 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO, and 22.1R1-EVO.<br><p></p>"}],"value":"A Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the advanced forwarding toolkit (evo-aftmand/evo-pfemand) of Juniper Networks Junos OS Evolved on PTX Series or QFX5000 Series allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).An attacker sending crafted multicast packets will cause line cards running evo-aftmand/evo-pfemand to crash and restart or non-line card devices to crash and restart. Continued receipt and processing of these packets will sustain the Denial of Service (DoS) condition.\n\nThis issue affects Junos OS Evolved PTX Series:\n\n\n\n  *  All versions before 22.4R3-S8-EVO,\n  *  from 23.2 before 23.2R2-S5-EVO,\n  *  from 23.4 before 23.4R2-EVO,\n  *  from 24.2 before 24.2R2-EVO,\n  *  from 24.4 before 24.4R2-EVO.\n\n\n\n\nThis issue affects Junos OS Evolved on QFX5000 Series:\n\n\n\n  *  22.2-EVO version before 22.2R3-S7-EVO,\n  *  22.4-EVO version before 22.4R3-S7-EVO,\n  *  23.2-EVO versions before 23.2R2-S4-EVO,\n  *  23.4-EVO versions before 23.4R2-S5-EVO, \n  *  24.2-EVO versions before 24.2R2-S1-EVO,\n  *  24.4-EVO versions before 24.4R1-S3-EVO, 24.4R2-EVO.\n\n\nThis issue does not affect Junos OS Evolved on QFX5000 Series versions before: 21.2R2-S1-EVO, 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO, and 22.1R1-EVO."}],"exploits":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"value":"Juniper SIRT is not aware of any malicious exploitation of this 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releases.\nFor QFX5000 Series: 22.2R3-S7-EVO, 22.4R3-S7-EVO, 23.2R2-S4-EVO, 23.4R2-S5-EVO, 24.2R2-S1-EVO, 24.4R1-S3-EVO, 24.4R2-EVO, 25.2R1-EVO, and all subsequent releases."}],"source":{"advisory":"JSA103159","defect":["1808638","1869606"],"discovery":"USER"},"timeline":[{"lang":"en","time":"2026-01-14T17:00:00.000Z","value":"Initial Publication"}],"title":"Junos OS Evolved: QFX5000 Series and PTX Series: An attacker sending crafted multicast packets will cause evo-aftmand / evo-pfemand to crash and restart","workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"There are no known workarounds for this issue.<br>"}],"value":"There are no known workarounds for this issue."}],"x_generator":{"engine":"Vulnogram 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OS Evolved: QFX5000 Series and PTX Series: An attacker sen","CVE":"CVE-2025-59969","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"59969","Ordinal":"1","NoteData":"A Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the advanced forwarding toolkit (evo-aftmand/evo-pfemand) of Juniper Networks Junos OS Evolved on PTX Series or QFX5000 Series allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).An attacker sending crafted multicast packets will cause line cards running evo-aftmand/evo-pfemand to crash and restart or non-line card devices to crash and restart. Continued receipt and processing of these packets will sustain the Denial of Service (DoS) condition.\n\nThis issue affects Junos OS Evolved PTX Series:\n\n\n\n  *  All versions before 22.4R3-S8-EVO,\n  *  from 23.2 before 23.2R2-S5-EVO,\n  *  from 23.4 before 23.4R2-EVO,\n  *  from 24.2 before 24.2R2-EVO,\n  *  from 24.4 before 24.4R2-EVO.\n\n\n\n\nThis issue affects Junos OS Evolved on QFX5000 Series:\n\n\n\n  *  22.2-EVO version before 22.2R3-S7-EVO,\n  *  22.4-EVO version before 22.4R3-S7-EVO,\n  *  23.2-EVO versions before 23.2R2-S4-EVO,\n  *  23.4-EVO versions before 23.4R2-S5-EVO, \n  *  24.2-EVO versions before 24.2R2-S1-EVO,\n  *  24.4-EVO versions before 24.4R1-S3-EVO, 24.4R2-EVO.\n\n\nThis issue does not affect Junos OS Evolved on QFX5000 Series versions before: 21.2R2-S1-EVO, 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO, and 22.1R1-EVO.","Type":"Description","Title":"Junos OS Evolved: QFX5000 Series and PTX Series: An attacker sen"}]}}}