Buffer overflow in Taurus-AN00B
Priority LOW 24CWE-120Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
Taurus-AN00B versions earlier than 10.1.0.156(C00E155R7P2) have a buffer overflow vulnerability. A function in a module does not verify inputs sufficiently. Attackers can exploit this vulnerability by sending specific request. This could compromise normal service of the affected device.
Why it matters now
EPSS 0.00198 9th percentileScored 2026-11-07
Fix Fixed Taurus-AN00B: 10.1.0.156(C00E155R7P2)
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 |
|---|---|---|---|---|---|
| — | Taurus-AN00B | before 10.1.0.156(C00E155R7P2) | 10.1.0.156(C00E155R7P2) | Patch available | CNA |
- Taurus-AN00B Vendor— Affected before 10.1.0.156(C00E155R7P2) Fixed in 10.1.0.156(C00E155R7P2) Patch available CNA
Remediation
- Fix · CNA Taurus-AN00B Fixed in 10.1.0.156(C00E155R7P2)
Timeline
- 2026-10-02 Threatist record created from CVE-2020-9240
- 2026-10-03 Alias added: GHSA-xwgg-qxmh-jr24
References
More Huawei Taurus-an00b Firmware vulnerabilities
- TI-2020-07323 Improper privilege management in Taurus-AN00B CVSS 3.1HIGH 7.8
- TI-2020-07379 Buffer overflow in Taurus-AN00B CVSS 3.1MEDIUM 6.5
- TI-2020-07316 Improper input validation in Taurus-AN00B CVSS 3.1MEDIUM 6.7
- TI-2020-07297 Use after free in Taurus-AN00B CVSS 3.1MEDIUM 6.5
- TI-2020-07303 Out-of-bounds read in Taurus-AN00B CVSS 3.1MEDIUM 5.5
- TI-2020-07321 Improper input validation in Taurus-AN00B CVSS 3.1MEDIUM 4.6
Sources
- CVE-2020-9240 · CVE Program
- CVE-2020-9240 · NVD
- FIRST EPSS
- GHSA-xwgg-qxmh-jr24 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences