Unknown [CVE-2026-0516] SonicOS: improper neutralization of HTTP Headers for Scripting Syntax vulnerability in SonicOS could allow a remote attacker to manipu…
This security SonicWall advisory covers CVE-2026-0516 affecting SonicOS.
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Summary
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.
- SonicOS 6.5.5.1-6n and older versions
- SonicOS 7.0.1-5169 and older versions
- SonicOS 7.3.3-7015 and older versions
- SonicOS 8.2.1-8010 and older versions
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
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