Use-After-Free Vulnerability in rAthena Map-Server Affecting Open-Source MMORPG
CVE-2025-62170

7.5HIGH

Key Information:

Vendor

Rathena

Status
Rathena
Vendor
CVE Published:
13 October 2025

What is CVE-2025-62170?

A use-after-free vulnerability has been identified in the RODEX functionality of the rAthena map-server, impacting versions prior to commit af2f3ba. This flaw allows unauthenticated attackers to exploit the vulnerability through a specific attack vector, potentially leading to a denial of service by crashing the map-server. Users are advised to apply the patch available in commit af2f3ba to mitigate this issue, as no known workarounds are currently available.

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Deploy the Patch

Affected Version(s)

rathena < af2f3ba33fc03dc6dd510f8cfe84cd9185af748d

References

https://github.com/rathena/rathena/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/rathena/rathena/commit/af2f3ba33fc03dc...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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