CVE-2025-58750: rathena Buffer Overflow — Fix

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.

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CVSS v3.1 Score

8.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-125 Out-of-bounds Read

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
rathena	rathena	< 2025-09-06

References

Advisories & Patches

https://github.com/rathena/rathena/commit/0cc348b186bbcc3c604c17c39589a319f27d469b https://github.com/rathena/rathena/security/advisories/GHSA-pjh7-jgr8-4ff6

Frequently Asked Questions

What is CVE-2025-58750? +

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. It has a CVSS v3.1 base score of 8.2 (HIGH).

How severe is CVE-2025-58750? +

CVE-2025-58750 has a CVSS v3.1 score of 8.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-58750? +

CVE-2025-58750 affects products from rathena, specifically: rathena. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-58750? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-58750