CVE-2020-9086

MEDIUM
4.3
CVSS Score
Published: December 27, 2024 at 09:40 AM UTC
Updated: June 17, 2026 at 03:27 AM UTC
2 products affected across 1 vendorB612 FirmwareB612

Using HUAWEI 4G Router B612 by Huawei?

Get instant alerts when new vulnerabilities affect HUAWEI 4G Router B612 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM4.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

B612s-25dTCPU-V100R001B192D03SP00C234B612s-25dTCPU-V100R001B192D03SP00C287B612s-25dTCPU-V100R001B192D05SP00C00b612s-25dtcpu-v100r001b192d03sp00c234b612s-25dtcpu-v100r001b192d03sp00c287b612s-25dtcpu-v100r001b192d05sp00c00
huawei-b612 (same device)
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMhuawei
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-124CWE-787

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card