Vulnerability · Published Apr 29, 2026 · Assigned by sonicwall

CVE-2026-0204

High 8.0

In plain English

A high-severity missing authentication in SonicOS from SonicWall. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)8.0High

Exploit odds (30 days)0.4%top 67.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in the access control mechanism of SonicOS may allow certain management interface functions to be accessible under specific conditions.

Affected products (as reported)

Vendor	Product	Versions
SonicWall	SonicOS	6.5.5.1-6n and older versions7.0.1-5169 and older versions7.3.1-7013 and older versions8.1.0-8017 and older versions

Weakness: CWE-1390, CWE-306 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0004 vendor-advisory