VULNERABILITY INTELLIGENCE

CVE-2018-25221

CVSS score9.3 CRITICAL
EPSS probability0.82%
CISA KEVNot currently listed
Published2026-03-28
Last modified2026-06-17
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Description

EChat Server 3.1 contains a buffer overflow vulnerability in the chat.ghp endpoint that allows remote attackers to execute arbitrary code by supplying an oversized username parameter. Attackers can send a GET request to chat.ghp with a malicious username value containing shellcode and ROP gadgets to achieve code execution in the application context.

Weakness classification

  • CWE-787: Out-of-bounds Write

Primary references