CVE-2026-0516 — MEDIUM (6.5)

Vulnerability 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 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-644

References

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

FAQ

What is CVE-2026-0516?

CVE-2026-0516 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 ...

How severe is CVE-2026-0516?

CVE-2026-0516 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-0516?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.