A improper neutralization of HTTP Headers for Scripting Syntax vulnerability in SonicOS…
Priority LOW 35CWE-644Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00342 27th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SonicWall | SonicOS | 6.5.5.2-28n and older versions; 7.0.1-5169 and older versions; 7.3.3-7015 and older versions; 8.2.1-8010 and older versions | — | No fix listed | CNA |
- SonicOS VendorSonicWall Affected 6.5.5.2-28n and older versions; 7.0.1-5169 and older versions; 7.3.3-7015 and older versions; 8.2.1-8010 and older versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-0516
- 2026-10-03 Alias added: GHSA-43cm-mrxj-qjr8
References
More SonicWall vulnerabilities
- TI-2026-57684 Server-side request forgery in SonicWall SMA1000 KEVCVSS 3.1CRITICAL 10.0
- TI-2026-12965 Server-side request forgery in SonicWall SMA1000 KEVCVSS 3.1CRITICAL 10.0
- TI-2025-16819 Deserialization of untrusted data in SonicWall SMA1000 KEVCVSS 3.1CRITICAL 9.8
- TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
- TI-2021-03356 Stack-based buffer overflow in SonicWall SMA100 KEVCVSS 3.1CRITICAL 9.8
- TI-2021-03349 SQL injection in SonicWall SRA/SMA100 KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-0516 · CVE Program
- CVE-2026-0516 · NVD
- FIRST EPSS
- GHSA-43cm-mrxj-qjr8 · GitHub Advisory Database · CC BY 4.0
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