SonicWall
CVE-2026-77708: A pre-authentication stack-based buffer overflow vulnerability has been identified in the SonicOS TACACS+ authentication client, which in specific conditions co
CVE-2026-77708 Nov 6, 2026 Source: Vendor
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.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-77708
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CVE-2026-77708
BR2026-0000-043054
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Credited as Matei "Mal" Badanoiu of Pentest-Tools.com