CVE-2026-82308

HIGHCVSS 7.5/10

Last modified

CVE-2026-82308 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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..

Description

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
SonicWallSonicOS7.3.3-7015 and older versions; 8.2.2-8015 and older versions

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-82308?
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.
How severe is CVE-2026-82308?
CVE-2026-82308 has a CVSS score of 7.5/10 (HIGH severity).
How do I fix CVE-2026-82308?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST