{"id":"CVE-2025-40634","state":"PUBLISHED","title":"Stack-based buffer overflow in TP-Link Archer AX50","description":"Stack-based buffer overflow vulnerability in the 'conn-indicator' binary running as root on the TP-Link Archer AX50 router, in firmware versions prior to 1.0.15 build 241203 rel61480. This vulnerability allows an attacker to execute arbitrary code on the device over LAN and WAN networks.","publishedAt":"2025-05-20T10:12:16.550Z","updatedAt":"2025-05-20T13:30:19.289Z","severity":{"score":9.2,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"INCIBE"},"assigner":"INCIBE","products":["TP-Link Link Archer AX50"],"affected":[{"vendor":"TP-Link","product":"Link Archer AX50","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.0.15 build 241203 rel61480","versionType":"custom"}]}],"references":["https://www.incibe.es/en/incibe-cert/notices/aviso/stack-based-buffer-overflow-tp-link-archer-ax50"],"weaknesses":["CWE-121"],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40634.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-40634","state":"PUBLISHED","datePublished":"2025-05-20T10:12:16.550Z","dateUpdated":"2025-05-20T13:30:19.289Z","assignerShortName":"INCIBE","assignerOrgId":"0cbda920-cd7f-484a-8e76-bf7f4b7f4516","dateReserved":"2025-04-16T08:38:09.209Z"},"containers":{"cna":{"title":"Stack-based buffer overflow in TP-Link Archer AX50","descriptions":[{"lang":"en","value":"Stack-based buffer overflow vulnerability in the 'conn-indicator' binary running as root on the TP-Link Archer AX50 router, in firmware versions prior to 1.0.15 build 241203 rel61480. This vulnerability allows an attacker to execute arbitrary code on the device over LAN and WAN networks."}],"affected":[{"vendor":"TP-Link","product":"Link Archer AX50","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.0.15 build 241203 rel61480","versionType":"custom"}]}],"references":[{"url":"https://www.incibe.es/en/incibe-cert/notices/aviso/stack-based-buffer-overflow-tp-link-archer-ax50"}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","description":"CWE-121: Stack-based Buffer Overflow","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"INCIBE","orgId":"0cbda920-cd7f-484a-8e76-bf7f4b7f4516","dateUpdated":"2025-05-20T10:12:16.550Z"},"credits":[{"lang":"en","type":"finder","value":"Víctor Fresco Perales (@hacefresko)"}],"datePublic":"2025-05-20T10:00:00.000Z","solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"The vulnerability has been fixed by the TP-Link team in firmware version 1.0.15 build 241203 rel61480."}],"value":"The vulnerability has been fixed by the TP-Link team in firmware version 1.0.15 build 241203 rel61480."}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-20T13:28:08.979231Z","id":"CVE-2025-40634","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-20T13:30:19.289Z"}}]}}}