What is CVE-2026-0204?

CVE-2026-0204 is a high-severity vulnerability in Sonicwall Nsa_2650, classified under Missing Authentication for Critical Function. CVSS score: 8.0/10. Published 2026-04-29.

How severe is CVE-2026-0204?

High severity. CVSS v3 base score is 8.0 out of 10.

Auth bypass in Sonicwall Nsa_2650

CVE-2026-0204

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

Vulnerability class: Broken Authentication

EPSS: 0.000 (0.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Sonicwall Nsa_2650
Sonicwall Nsa_2700
Sonicwall Nsa_2800
Sonicwall Nsa_3600
Sonicwall Nsa_3650
Sonicwall Nsa_3700
Sonicwall Nsa_3800
Sonicwall Nsa_4600
Sonicwall Nsa_4650
Sonicwall Nsa_4700

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function
CWE-1390 — Weak Authentication

References

PSIRT@sonicwall.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-0204?: CVE-2026-0204 is a high-severity vulnerability in Sonicwall Nsa_2650, classified under Missing Authentication for Critical Function. CVSS score: 8.0/10. Published 2026-04-29.
How severe is CVE-2026-0204?: High severity. CVSS v3 base score is 8.0 out of 10.