{"api_version":"1","generated_at":"2026-07-07T01:58:10+00:00","cve":"CVE-2026-20025","urls":{"html":"https://cve.report/CVE-2026-20025","api":"https://cve.report/api/cve/CVE-2026-20025.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-20025","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-20025"},"summary":{"title":"CVE-2026-20025","description":"A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition. To exploit this vulnerability, the attacker must have the OSPF secret key.\r\n\r This vulnerability is due to insufficient input validation when processing OSPF link-state update (LSU) packets. An attacker could exploit this vulnerability by sending crafted OSPF LSU packets. A successful exploit could allow the attacker to corrupt the heap, causing the device to reload, resulting in a DoS condition.","state":"PUBLISHED","assigner":"cisco","published_at":"2026-03-04 19:16:15","updated_at":"2026-06-05 12:52:42"},"problem_types":["CWE-190","CWE-190 Integer Overflow or Wraparound"],"metrics":[{"version":"3.1","source":"psirt@cisco.com","type":"Primary","score":"6.8","severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","baseScore":6.8,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSSV3_1","score":"6.8","severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.8,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ospf-ZH8PhbSW","name":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ospf-ZH8PhbSW","refsource":"psirt@cisco.com","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-20025","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20025","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software","version":"affected 9.12.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software","version":"affected 9.12.1.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software","version":"affected 9.12.1.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software","version":"affected 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vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition. To exploit this vulnerability, the attacker must have the OSPF secret key.\r\n\r This vulnerability is due to insufficient input validation when processing OSPF link-state update (LSU) packets. An attacker could exploit this vulnerability by sending crafted OSPF LSU packets. A successful exploit could allow the attacker to corrupt the heap, causing the device to reload, resulting in a DoS condition."}],"exploits":[{"lang":"en","value":"The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.8,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","version":"3.1"},"format":"cvssV3_1"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-190","description":"Integer Overflow or Wraparound","lang":"en","type":"cwe"}]}],"providerMetadata":{"dateUpdated":"2026-03-04T18:36:02.331Z","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco"},"references":[{"name":"cisco-sa-asaftd-ospf-ZH8PhbSW","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ospf-ZH8PhbSW"}],"source":{"advisory":"cisco-sa-asaftd-ospf-ZH8PhbSW","defects":["CSCwn69078"],"discovery":"INTERNAL"}}},"cveMetadata":{"assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","assignerShortName":"cisco","cveId":"CVE-2026-20025","datePublished":"2026-03-04T18:36:02.331Z","dateReserved":"2025-10-08T11:59:15.352Z","dateUpdated":"2026-03-04T21:35:13.593Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-03-04 19:16:15","lastModifiedDate":"2026-06-05 12:52:42","problem_types":["CWE-190","CWE-190 Integer Overflow or Wraparound"],"metrics":{"cvssMetricV31":[{"source":"psirt@cisco.com","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","baseScore":6.8,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.3,"impactScore":4}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense_software:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4.0","versionEndExcluding":"7.0.9","matchCriteriaId":"A02019B1-284B-4118-A544-9AA56216E741"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense_software:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1.0","versionEndExcluding":"7.2.11","matchCriteriaId":"3DA98A98-A084-4DB0-B08F-33EB6C8607C0"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense_software:*:*:*:*:*:*:*:*","versionStartIncluding":"7.3.0","versionEndExcluding":"7.4.3","matchCriteriaId":"737DB8CE-EC0B-4221-A8BF-3E64702DE092"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense_software:*:*:*:*:*:*:*:*","versionStartIncluding":"7.6.0","versionEndExcluding":"7.6.4","matchCriteriaId":"26A29A1A-8013-4CE1-8DE5-4C82778A1D96"},{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:firepower_threat_defense_software:*:*:*:*:*:*:*:*","versionStartIncluding":"7.7.0","versionEndExcluding":"7.7.11","matchCriteriaId":"A267F3D1-7449-4622-91AB-F9CA2DDDB61E"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.12.1","versionEndExcluding":"9.16.4.85","matchCriteriaId":"74292810-417D-42CC-9123-55166145E91D"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.17.1","versionEndExcluding":"9.18.4.66","matchCriteriaId":"7EFC1809-7619-43ED-80FD-0FC28C876879"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.19.1","versionEndExcluding":"9.20.4","matchCriteriaId":"4988A136-196A-448B-A416-992803647AB2"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.22.1.1","versionEndExcluding":"9.22.2.4","matchCriteriaId":"55B05CD4-4849-471F-ACC5-0E0478568A2D"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionStartIncluding":"9.23.1","versionEndExcluding":"9.23.1.7","matchCriteriaId":"61AA6D92-28AC-41E2-8CD3-F7094A079D65"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"20025","Ordinal":"1","Title":"CVE-2026-20025","CVE":"CVE-2026-20025","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"20025","Ordinal":"1","NoteData":"A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition. To exploit this vulnerability, the attacker must have the OSPF secret key.\r\n\r This vulnerability is due to insufficient input validation when processing OSPF link-state update (LSU) packets. An attacker could exploit this vulnerability by sending crafted OSPF LSU packets. A successful exploit could allow the attacker to corrupt the heap, causing the device to reload, resulting in a DoS condition.","Type":"Description","Title":"CVE-2026-20025"}]}}}