CVE-2020-9086 Memory corruption in HUAWEI 4G Router B612
An unauthenticated attacker can cause service disruption on Huawei 4G routers by sending specially crafted UPNP messages due to insufficient input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-9086?
CVE-2020-9086 is a medium-severity memory corruption vulnerability in HUAWEI 4G Router B612, published on 27 Dec 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2020-9086?
It affects 1 product.
Products include Huawei B612 Firmware.
How do I fix CVE-2020-9086?
No fix has been published for CVE-2020-9086 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-9086 being exploited?
There is no known exploitation of CVE-2020-9086 in the wild and no public exploit code.
Other vulnerabilities in HUAWEI 4G Router B612
Sources
Also known as GHSA-ffw9-qr6v-4c9c.