CVE-2026-0516: SonicWall SonicOS vulnerability
Published Aug 5, 2026
·Updated
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.
Affected Software
1 affected component
SonicWall SonicOS
Event History
Aug 5, 2026
CVE Published
via MITRE·11:50 AM
Data Sourced
via MITRE·11:50 AM
DescriptionWeakness
Data Sourced
via NVD·01:20 PM
DescriptionWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-0516?
CVE-2026-0516 has a risk score of 35, indicating a moderate severity level.
2
How do I fix CVE-2026-0516?
To fix CVE-2026-0516, ensure you have the latest patch version of SonicWall SonicOS installed.
3
What impact does CVE-2026-0516 have on users?
CVE-2026-0516 may allow remote attackers to manipulate Host headers, leading to potential redirection of management users to arbitrary web domains.
4
Is CVE-2026-0516 a remote vulnerability?
Yes, CVE-2026-0516 allows remote attackers to exploit the vulnerability.
5
What software is affected by CVE-2026-0516?
CVE-2026-0516 specifically affects SonicWall SonicOS software.