A vulnerability in the SonicWall SMA1000 HTTP Extraweb server allows an unauthenticated…
Priority LOW 35CWE-248Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-248.
Summary
A vulnerability in the SonicWall SMA1000 HTTP Extraweb server allows an unauthenticated remote attacker to cause HTTP server crash which leads to Denial of Service. This vulnerability affected SMA1000 Version 12.1.0-06411 and earlier.
Why it matters now
EPSS 0.013 70th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SonicWall | SMA1000 | up to 12.1.0-06411 | — | No fix listed | CNA |
- SMA1000 VendorSonicWall Affected up to 12.1.0-06411 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5129
- 2026-10-03 Alias added: GHSA-mg4p-5r5g-f6x9
References
More SonicWall Sma1000 Firmware vulnerabilities
- TI-2022-00753 A flaw was found in the way the "flags" member of the new pipe buffer structure was… KEVCVSS 3.1HIGH 7.8
- TI-2023-00121 Path traversal in SonicWall SMA1000 CVSS 3.1HIGH 7.5
- TI-2021-13218 fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 does not properly… CVSS 3.1HIGH 7.8
- TI-2025-01902 Server-side request forgery in SonicWall SMA1000 CVSS 3.1HIGH 7.2
Sources
- CVE-2020-5129 · CVE Program
- CVE-2020-5129 · NVD
- FIRST EPSS
- GHSA-mg4p-5r5g-f6x9 · GitHub Advisory Database · CC BY 4.0
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