CVE-2019-5294 Memory corruption in AR120-S,AR1200,AR1200-S,AR150,AR150-S,AR160,AR200,AR200-S,AR2200,AR2200-S,AR3200,AR3600,NetEngine16EX,SRG1300,SRG2300,SRG3300

High 7.5 Published 13 Nov 2019 Updated 4 Aug 2024

Remote unauthenticated attackers can cause service disruption via crafted messages exploiting an out-of-bounds read in Huawei routers.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-5294?

CVE-2019-5294 is a high-severity memory corruption vulnerability in Huawei Ar3200 Firmware, published on 13 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

There is an out of bound read vulnerability in some Huawei products. A remote, unauthenticated attacker may send a corrupt or crafted message to the affected products. Due to a buffer read overflow error when parsing the message, successful exploit may cause some service to be abnormal.

Weakness: CWE-125

Which versions are affected by CVE-2019-5294?

It affects 16 products.

Products include Huawei Ar120-S Firmware, Huawei Ar1200-S Firmware, Huawei Ar1200 Firmware, Huawei Ar150-S Firmware, Huawei Ar150 Firmware, Huawei Ar160 Firmware and 10 more.

How do I fix CVE-2019-5294?

No fix has been published for CVE-2019-5294 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-2019-5294 being exploited?

There is no known exploitation of CVE-2019-5294 in the wild and no public exploit code.

All Huawei Ar3200 Firmware vulnerabilities

Sources

Also known as GHSA-m558-43vf-cc6f.