CVE-2020-9086
CVE-2020-9086 is a medium-severity vulnerability in Huawei B612 Firmware with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- EPSS exploit prediction: 0% (10th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2020-29915
- Weakness: CWE-787
- Affected product: Huawei B612 Firmware
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2020-9086?
- CVE-2020-9086 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2020-9086 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-9086?
- CVE-2020-9086 primarily affects Huawei B612 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-9086?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2020-9086 have an EU (EUVD) identifier?
- Yes. CVE-2020-9086 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-29915.
- When was CVE-2020-9086 published?
- CVE-2020-9086 was published on 2024-12-27 and last updated on 2026-06-17.
References
Affected products (3)
- cpe:2.3:o:huawei:b612_firmware:b612s-25dtcpu-v100r001b192d03sp00c234:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:b612_firmware:b612s-25dtcpu-v100r001b192d03sp00c287:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:b612_firmware:b612s-25dtcpu-v100r001b192d05sp00c00:*:*:*:*:*:*:*
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