CVE-2026-0516

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductSonicOS
PublishedAug 5, 2026
First seenAug 5, 2026
Weakness typeCWE-644CWE-644

How to fix

Affected products

ProductAffected versionsFixed in
SonicWall SonicOS6.5.5.2-28n and older versions, 7.0.1-5169 and older versions, 7.3.3-7015 and older versions, 8.2.1-8010 and older versions—

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