What’s Vulnerable › Vulnerabilities

CVE-2025-62170: rAthena map-server use-after-free vulnerability in RODEX

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-13 · updated 2026-10-19
• Weakness: CWE-416

Description

rAthena is an open-source cross-platform MMORPG server. A use-after-free vulnerability exists in the RODEX functionality of rAthena's map-server in versions prior to commit af2f3ba. An unauthenticated attacker can exploit this vulnerability via a specific attacking scenario to cause a denial of service by crashing the map-server. This issue has been patched in commit af2f3ba. There are no known workarounds aside from manually applying the patch.

Affected products

• rathena: before 2025-10-12 — fixed in 2025-10-12

How to fix

Upgrade to a fixed version: rathena 2025-10-12. Check the vendor advisory for mitigations.

References

• https://github.com/rathena/rathena/commit/af2f3ba33fc03dc6dd510f8cfe84cd9185af748d
• https://github.com/rathena/rathena/security/advisories/GHSA-9mj9-8vgv-r92j

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