A pre-authentication heap-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.

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History

Fri, 06 Nov 2026 19:15:00 +0000

Type Values Removed Values Added
Description A pre-authentication heap-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.
Weaknesses CWE-122
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: sonicwall

Published:

Updated: 2026-11-06T19:22:06.640Z

Reserved: 2026-08-21T08:45:58.616Z

Link: CVE-2026-77709

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-11-06T19:17:57.447

Modified: 2026-11-06T19:17:57.447

Link: CVE-2026-77709

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses