CVE-2026-77709
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-122 |
| Vendor | sonicwall |
| Product | sonicos |
| Published | Nov 6, 2026 |
| Last Updated | Nov 6, 2026 |
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Affected Versions
SonicWall / SonicOS
7.3.3-7015 and older versions 8.2.2-8015 and older versions
References
Credits
Matei "Mal" Badanoiu of Pentest-Tools.com