CVE-2025-14196 H3C Magic B1 aspForm sub_44de0 buffer overflow
Remote attackers can trigger a buffer overflow in the H3C Magic B1 router's web interface, potentially leading to code execution or service disruption.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-14196?
CVE-2025-14196 is a high-severity memory corruption vulnerability in H3C Magic B1, published on 7 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in H3C Magic B1 up to 100R004. The affected element is the function sub_44de0 of the file /goform/aspForm. This manipulation of the argument param causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2025-14196?
How do I fix CVE-2025-14196?
No fix has been published for CVE-2025-14196 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-2025-14196 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-14196 exists.
Sources
Also known as GHSA-x8w5-83w4-56jr.