CVE-2026-0516

State: Published
Severity: 6.5 Medium
Published: Aug 5, 2026
Updated: Aug 5, 2026
Reserved: Dec 12, 2025

Description

A improper neutralization of HTTP Headers for Scripting Syntax vulnerability in SonicOS could allow a remote attacker to manipulate the Host header and redirect firewall management users to arbitrary web domains.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N	CISA-ADP

Weaknesses

CWE-644 Improper neutralization of HTTP headers for scripting syntax

Affected Products

Product	Versions
SonicOSSonicWall	6.5.5.2-28n and older versionsAffected 7.0.1-5169 and older versionsAffected 7.3.3-7015 and older versionsAffected 8.2.1-8010 and older versionsAffected

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0009vendor-advisory

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