CVE-2026-0400

Published Feb 24, 2026

Last updated 4 days ago

Overview

Description
A post-authentication Format String vulnerability in SonicOS allows a remote attacker to crash a firewall.
Source
PSIRT@sonicwall.com
NVD status
Analyzed
Products
sonicos

Risk scores

CVSS 3.1

Type
Secondary
Base score
4.9
Impact score
3.6
Exploitability score
1.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Severity
MEDIUM

Weaknesses

PSIRT@sonicwall.com
CWE-134

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.