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CVE-2026-0516

MEDIUM
6.5
CVSS Score
Published: August 5, 2026 at 11:50 AM UTC
Updated: October 23, 2026 at 09:10 PM UTC
1 product affected across 1 vendorSonicOS

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SonicOS· SonicWall
90%
6.5.5.2-28n and older versions7.0.1-5169 and older versions7.3.3-7015 and older versions8.2.1-8010 and older versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0009

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-644

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