5.9Medium

CVE-2026-77709

SonicWall SonicOS Published: (5 days ago)

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.

Weakness (CWE): CWE-122

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
SonicWall SonicOS 7.3.3-7015 and older versions, 8.2.2-8015 and older versions

References and patches