{"api_version":"1","generated_at":"2026-10-04T02:08:48+00:00","cve":"CVE-2025-8299","urls":{"html":"https://cve.report/CVE-2025-8299","api":"https://cve.report/api/cve/CVE-2025-8299.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-8299","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-8299"},"summary":{"title":"Realtek rtl81xx SDK Wi-Fi Driver MgntActSet_TEREDO_SET_RS_PACKET Heap-based Buffer Overflow Local Privilege Escalation Vulnerability","description":"Realtek rtl81xx SDK Wi-Fi Driver MgntActSet_TEREDO_SET_RS_PACKET Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Realtek rtl81xx SDK Wi-Fi driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the MgntActSet_TEREDO_SET_RS_PACKET function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-25857.","state":"PUBLISHED","assigner":"zdi","published_at":"2025-09-02 20:15:38","updated_at":"2026-09-30 23:10:00"},"problem_types":["CWE-122","CWE-122 CWE-122: Heap-based Buffer Overflow"],"metrics":[{"version":"3.0","source":"zdi-disclosures@trendmicro.com","type":"Secondary","score":"8.8","severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","data":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.0","source":"CNA","type":"CVSS","score":"8.8","severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","data":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.0"}}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-25-882/","name":"https://www.zerodayinitiative.com/advisories/ZDI-25-882/","refsource":"zdi-disclosures@trendmicro.com","tags":["Third Party Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-8299","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-8299","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Realtek","product":"rtl81xx SDK","version":"affected 1030.38.712.2019","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2025","cve_id":"8299","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"realtek","cpe5":"rtl8811au","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2025","cve_id":"8299","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"realtek","cpe5":"wi-fi_usb_driver","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"windows","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2025","cve_id":"8299","cve":"CVE-2025-8299","epss":"0.001520000","percentile":"0.037710000","score_date":"2026-10-02","updated_at":"2026-10-03 00:13:26"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2025-8299","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2025-09-03T14:33:14.211056Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2025-09-03T14:33:20.565Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unknown","product":"rtl81xx SDK","vendor":"Realtek","versions":[{"status":"affected","version":"1030.38.712.2019"}]}],"dateAssigned":"2025-07-28T23:19:48.291Z","datePublic":"2025-09-02T19:58:34.198Z","descriptions":[{"lang":"en","value":"Realtek rtl81xx SDK Wi-Fi Driver MgntActSet_TEREDO_SET_RS_PACKET Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Realtek rtl81xx SDK Wi-Fi driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the MgntActSet_TEREDO_SET_RS_PACKET function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-25857."}],"metrics":[{"cvssV3_0":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.0"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","description":"CWE-122: Heap-based Buffer Overflow","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2025-09-02T20:02:34.610Z","orgId":"99f1926a-a320-47d8-bbb5-42feb611262e","shortName":"zdi"},"references":[{"name":"ZDI-25-882","tags":["x_research-advisory"],"url":"https://www.zerodayinitiative.com/advisories/ZDI-25-882/"}],"source":{"lang":"en","value":"dungnm from vcslab of Viettel Cyber Security"},"title":"Realtek rtl81xx SDK Wi-Fi Driver MgntActSet_TEREDO_SET_RS_PACKET Heap-based Buffer Overflow Local Privilege Escalation Vulnerability"}},"cveMetadata":{"assignerOrgId":"99f1926a-a320-47d8-bbb5-42feb611262e","assignerShortName":"zdi","cveId":"CVE-2025-8299","datePublished":"2025-09-02T20:02:34.610Z","dateReserved":"2025-07-28T23:19:48.256Z","dateUpdated":"2025-09-03T14:33:20.565Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2025-09-02 20:15:38","lastModifiedDate":"2026-09-30 23:10:00","problem_types":["CWE-122","CWE-122 CWE-122: Heap-based Buffer Overflow"],"metrics":{"cvssMetricV30":[{"source":"zdi-disclosures@trendmicro.com","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2,"impactScore":6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-09-03T14:33:14.211056Z","id":"CVE-2025-8299","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:realtek:wi-fi_usb_driver:*:*:*:*:*:windows:*:*","versionEndExcluding":"1030.52.0325.2025","matchCriteriaId":"64315E56-CCBD-46FE-AE2C-185A856157BA"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:realtek:rtl8811au:-:*:*:*:*:*:*:*","matchCriteriaId":"884B566E-208D-47EE-AFCF-56D0D2C91B4F"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"8299","Ordinal":"1","Title":"Realtek rtl81xx SDK Wi-Fi Driver MgntActSet_TEREDO_SET_RS_PACKET","CVE":"CVE-2025-8299","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"8299","Ordinal":"1","NoteData":"Realtek rtl81xx SDK Wi-Fi Driver MgntActSet_TEREDO_SET_RS_PACKET Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Realtek rtl81xx SDK Wi-Fi driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the MgntActSet_TEREDO_SET_RS_PACKET function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-25857.","Type":"Description","Title":"Realtek rtl81xx SDK Wi-Fi Driver MgntActSet_TEREDO_SET_RS_PACKET"}]}}}