# CVE-2026-82308: CVE-2026-82308

Status: published. Published: 2026-11-06. Updated: 2026-11-06.

A pre-authentication heap-based buffer overflow vulnerability has been identified in the SonicOS SSL-VPN service, which could potentially enable a remote unauthenticated attacker to cause an application level denial of service.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- SonicWall / SonicOS: 7.3.3-7015 and older versions (affected); 8.2.2-8015 and older versions (affected). Source: CNA: sonicwall; platforms: Gen7, Gen8

## Severity and prioritization

- CVSS 3.1: 7.5 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H; source: ADP: CISA-ADP

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation none; automatable yes; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-122

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0014 (CNA: sonicwall; vendor-advisory)

## Provenance

- CNA: sonicwall: https://www.cve.org/CVERecord?id=CVE-2026-82308; retrieved 2026-11-06; source updated 2026-11-06

Revision: 00ff74e4d80ce593157623d067c0f75697e2eb6e4fd7d49d66df368f416bc8ad

Canonical: https://y2.dev/cve/CVE-2026-82308

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