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.
Metrics
Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Fri, 06 Nov 2026 22:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | SonicOS TACACS+ Authentication Client Heap Buffer Overflow causing DoS | SonicOS TACACS+ Client Buffer Overflow Allows Unauthenticated Denial of Service |
| First Time appeared |
Sonicwall
Sonicwall sonicos |
|
| Vendors & Products |
Sonicwall
Sonicwall sonicos |
Fri, 06 Nov 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | SonicOS TACACS+ Authentication Client Heap Buffer Overflow causing DoS |
Fri, 06 Nov 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
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 |
|
Projects
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Status: PUBLISHED
Assigner: sonicwall
Published:
Updated: 2026-11-06T19:22:06.640Z
Reserved: 2026-08-21T08:45:58.616Z
Link: CVE-2026-77709
No data.
Status : Awaiting Analysis
Published: 2026-11-06T19:17:57.447
Modified: 2026-11-06T21:13:01.193
Link: CVE-2026-77709
No data.
OpenCVE Enrichment
Updated: 2026-11-06T22:15:07Z
Weaknesses