CVE-2025-65288 Memory corruption in n/a
An attacker can cause a crash or potentially execute code by sending an excessively long hostname to the Mercury MR816v2 router.
- 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-2025-65288?
CVE-2025-65288 is a medium-severity memory corruption vulnerability in n/a, published on 9 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A buffer overflow in the Mercury MR816v2 (081C3114 4.8.7 Build 110427 Rel 36550n) occurs when the device accepts and stores excessively long hostnames from LAN hosts without proper length validation. The affected code performs unchecked copies/concatenations into fixed-size buffers. A crafted long hostname can overflow the buffer, cause a crash (DoS) and potentially enabling remote code execution.
Weakness: CWE-120
Which versions are affected by CVE-2025-65288?
It affects 1 product.
Products include Mercurycom Mr816 Firmware.
How do I fix CVE-2025-65288?
No fix has been published for CVE-2025-65288 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-2025-65288 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-65288 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-gxr6-pcf7-p63v.