{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-77708", "assignerOrgId": "44b2ff79-1416-4492-88bb-ed0da00c7315", "state": "PUBLISHED", "assignerShortName": "sonicwall", "dateReserved": "2026-08-21T08:45:56.873Z", "datePublished": "2026-11-06T19:05:28.979Z", "dateUpdated": "2026-11-06T19:21:32.919Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "44b2ff79-1416-4492-88bb-ed0da00c7315", "shortName": "sonicwall", "dateUpdated": "2026-11-06T19:05:28.979Z"}, "datePublic": "2026-11-06T19:03:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-121", "description": "CWE-121 Stack-based buffer overflow", "type": "CWE"}]}], "affected": [{"vendor": "SonicWall", "product": "SonicOS", "platforms": ["Gen7", "Gen8"], "versions": [{"status": "affected", "version": "7.3.3-7015 and older versions"}, {"status": "affected", "version": "8.2.2-8015 and older versions"}], "defaultStatus": "unknown"}], "descriptions": [{"lang": "en", "value": "A pre-authentication stack-based buffer overflow vulnerability has been identified in the SonicOS TACACS+ authentication client, which in specific conditions could potentially enable a remote unauthenticated attacker to cause an application level denial of service.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A pre-authentication stack-based buffer overflow vulnerability has been identified in the SonicOS TACACS+ authentication client, which in specific conditions could potentially enable a remote unauthenticated attacker to cause an application level denial of service."}]}], "references": [{"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0014", "tags": ["vendor-advisory"]}], "credits": [{"lang": "en", "value": "Matei \"Mal\" Badanoiu of Pentest-Tools.com", "type": "finder"}], "source": {"advisory": "SNWLID-2026-0014", "discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-11-06T19:21:18.582486Z", "id": "CVE-2026-77708", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-06T19:21:32.919Z"}}]}}

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{"affected": [{"configurations": [{"platform": ["gen7", "gen8"], "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.3.3-7015]"}}, {"platform": ["gen7", "gen8"], "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.2.2-8015]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "SonicOS", "source": "cna", "vendor": "SonicWall"}, "product": "sonicos", "vendor": "sonicwall"}], "created": "2026-11-06T20:45:07.548574+00:00", "title": "Stack\u2011Based Buffer Overflow in SonicOS TACACS+ Client Causing Unauthenticated Denial of Service", "updated": "2026-11-06T22:15:06.857587+00:00", "vendors": ["sonicwall", "sonicwall$PRODUCT$sonicos"]}