CVE-2026-0516: CWE-644 Improper neutralization of HTTP headers for scripting syntax in SonicWall SonicOS
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.
AI Analysis
Technical Summary
This vulnerability (CWE-644) in SonicWall SonicOS arises from improper neutralization of HTTP headers, specifically the Host header. An attacker can exploit this to redirect users of the firewall management interface to arbitrary external web domains by manipulating the Host header value. The vulnerability is published but lacks a CVSS score, vendor advisory, or patch information. It affects SonicOS but no specific affected versions are stated.
Potential Impact
An attacker could remotely manipulate the Host header to redirect firewall management users to arbitrary web domains. This could lead to phishing or other social engineering attacks targeting administrators. There is no indication of direct code execution or system compromise from the provided data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation instructions are currently available from SonicWall. Users should monitor SonicWall advisories for updates.
CVE-2026-0516: CWE-644 Improper neutralization of HTTP headers for scripting syntax in SonicWall SonicOS
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.
CVSS v3.1
Score 6.5medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-644) in SonicWall SonicOS arises from improper neutralization of HTTP headers, specifically the Host header. An attacker can exploit this to redirect users of the firewall management interface to arbitrary external web domains by manipulating the Host header value. The vulnerability is published but lacks a CVSS score, vendor advisory, or patch information. It affects SonicOS but no specific affected versions are stated.
Potential Impact
An attacker could remotely manipulate the Host header to redirect firewall management users to arbitrary web domains. This could lead to phishing or other social engineering attacks targeting administrators. There is no indication of direct code execution or system compromise from the provided data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation instructions are currently available from SonicWall. Users should monitor SonicWall advisories for updates.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- sonicwall
- Date Reserved
- 2025-12-12T10:06:41.342Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7331b4bf8831d539e4e939
Added to database: 08/05/2026, 12:51:00 UTC
Last enriched: 08/05/2026, 12:51:29 UTC
Last updated: 08/05/2026, 20:26:48 UTC
Views: 2
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