CVE-2026-0399

Medium

Description

Multiple post-authentication stack-based buffer overflow vulnerabilities in the SonicOS management interface due to improper bounds checking in a API endpoint.

SeverityMedium

CVSS4.9

Exploit probability—

Product

Sonicwall Sonicos

PublishedFeb 24, 2026

First seenFeb 24, 2026

Weakness typeCWE-121CWE-121

How to fix

Update

sonicwall sonicos7.3.2-7010, 8.2.0-8009 or later

Vendor advisories

psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0001

Affected products

Product	Affected versions	Fixed in
sonicwall sonicos	v < 7.3.2-7010, v < 8.2.0-8009	7.3.2-7010, 8.2.0-8009

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