Buffer overflow in the Authentication, Authorization and Accounting (AAA) module in…
Priority LOW 39CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Buffer overflow in the Authentication, Authorization and Accounting (AAA) module in Huawei USG2100, USG2200, USG5100, and USG5500 unified security gateways with software before V300R001C10SPC600 allows remote authenticated RADIUS servers to execute arbitrary code by sending a crafted EAP packet.
Why it matters now
EPSS 0.03327 88th 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:usg2100_firmware:*:*:*:*:*:*:*:* | up to v300r001c00; up to v300r001c10 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:usg2200_firmware:*:*:*:*:*:*:*:* | up to v300r001c00; up to v300r001c10 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:usg5100_firmware:*:*:*:*:*:*:*:* | up to v300r001c00; up to v300r001c10 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:usg5500_firmware:*:*:*:*:*:*:*:* | up to v300r001c00; up to v300r001c10 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:usg2100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:h:huawei:usg2200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:h:huawei:usg5100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:h:huawei:usg5500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
- cpe:2.3:o:huawei:usg2100_firmware:*:*:*:*:*:*:*:* Versions up to v300r001c00; up to v300r001c10 Vulnerable ·Huawei
- cpe:2.3:o:huawei:usg2200_firmware:*:*:*:*:*:*:*:* Versions up to v300r001c00; up to v300r001c10 Vulnerable ·Huawei
- cpe:2.3:o:huawei:usg5100_firmware:*:*:*:*:*:*:*:* Versions up to v300r001c00; up to v300r001c10 Vulnerable ·Huawei
- cpe:2.3:o:huawei:usg5500_firmware:*:*:*:*:*:*:*:* Versions up to v300r001c00; up to v300r001c10 Vulnerable ·Huawei
- cpe:2.3:h:huawei:usg2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:h:huawei:usg2200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:h:huawei:usg5100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:h:huawei:usg5500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-6669
- 2026-10-03 Alias added: GHSA-gcgf-wxvg-gv3w
More Huawei Usg2100 Firmware vulnerabilities
- TI-2014-07414 Cross-site request forgery in USG9500,USG2100,USG2200,USG5100,USG5500, USG9500… CVSS 3.0HIGH 8.8
- TI-2014-07413 Cross-site request forgery in FusionManager FusionManager All V100R002C03 versions, All… CVSS 3.0HIGH 8.8
Sources
- CVE-2016-6669 · CVE Program
- CVE-2016-6669 · NVD
- FIRST EPSS
- GHSA-gcgf-wxvg-gv3w · GitHub Advisory Database · CC BY 4.0
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