CVE-2023-27804 Memory corruption in n/a

Medium 4.9 Published 7 Apr 2023 Updated 11 Feb 2025

Attackers can cause a Denial of Service on H3C Magic R100 routers by sending a crafted payload to the DelvsList interface.

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

What is CVE-2023-27804?

CVE-2023-27804 is a medium-severity memory corruption vulnerability in n/a, published on 7 Apr 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

H3C Magic R100 R100V100R005.bin was discovered to contain a stack overflow via the DelvsList interface at /goform/aspForm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted payload.

Weakness: CWE-787

Which versions are affected by CVE-2023-27804?

It affects 1 product.

Products include H3c Magic R100 Firmware.

How do I fix CVE-2023-27804?

No fix has been published for CVE-2023-27804 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-2023-27804 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-27804 exists.

Sources

Also known as GHSA-w45c-77r5-cpwj.