What is CVE-2025-58447?

CVE-2025-58447 is a critical-severity vulnerability in Rathena, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2025-09-09.

How severe is CVE-2025-58447?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Rathena

CVE-2025-58447

rAthena is an open-source cross-platform massively multiplayer online role playing game (MMORPG) server. Versions prior to commit 2f5248b have a heap-based buffer overflow in the login server, remote attacker to overwrite adjacent session…

Vulnerability class: Buffer Overflow

EPSS: 0.008 (52.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Rathena — versions < 2f5248b

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2025-58447?: CVE-2025-58447 is a critical-severity vulnerability in Rathena, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2025-09-09.
How severe is CVE-2025-58447?: Critical severity. CVSS v3 base score is 9.8 out of 10.