Buffer overflow in Huawei B612

CVE-2020-9086

There is a buffer error vulnerability in some Huawei product. An unauthenticated attacker may send special UPNP message to the affected products. Due to insufficient input validation of some value, successful exploit may cause some service abnormal. (Vulnerability ID: HWPSIRT-2017-08234) This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9086.

EPSS: 0.002 (10.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

  • Huawei B612
  • Huawei B612_firmware — versions b612s-25dtcpu-v100r001b192d03sp00c234, b612s-25dtcpu-v100r001b192d03sp00c287, b612s-25dtcpu-v100r001b192d05sp00c00
  • Huawei 4g Router B612 — versions B612s-25dTCPU-V100R001B192D03SP00C234, B612s-25dTCPU-V100R001B192D03SP00C287, B612s-25dTCPU-V100R001B192D05SP00C00

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-9086?
CVE-2020-9086 is a medium-severity vulnerability in Huawei B612, classified under Buffer Underwrite. CVSS score: 4.3/10. Published 2024-12-27.
How severe is CVE-2020-9086?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2020-9086 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.