CVE-2025-58750 rAthena missing bound check in chclif_parse_moveCharSlot

High 8.2 Published 9 Sep 2025 Updated 10 Sep 2025

An attacker can trigger out-of-bounds read and write operations in the rAthena MMORPG server, potentially leading to code execution or crashes.

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-2025-58750?

CVE-2025-58750 is a high-severity memory corruption vulnerability in rathena, published on 9 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

rAthena is an open-source cross-platform massively multiplayer online role playing game (MMORPG) server. Versions prior to commit 0cc348b are missing a bound check in `chclif_parse_moveCharSlot` that can result in reading and writing out of bounds using input from the user. The problem has been fixed in commit 0cc348b.

Weakness: CWE-125, CWE-787, CWE-119

Which versions are affected by CVE-2025-58750?

It affects 1 product.

Products include Rathena Rathena.

How do I fix CVE-2025-58750?

No fix has been published for CVE-2025-58750 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-2025-58750 being exploited?

There is no known exploitation of CVE-2025-58750 in the wild and no public exploit code.

Sources

Also known as GHSA-pjh7-jgr8-4ff6.