CVE-2025-58447 is a critical heap-based buffer overflow vulnerability affecting rAthena MMORPG servers prior to commit 2f5248b. A remote attacker can trigger this by sending a crafted CA_SSO_LOGIN_REQ with an oversized token, leading to immediate denial of service. With a CVSS score of 9.8 (CRITICAL) and a FAUCET Risk Score of 95/100, this flaw allows for unauthenticated remote code execution via heap corruption. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2025-09-06CPE matchmatch criteria | cpe:2.3:a:rathena:rathena:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.