CVE-2018-25221 — EChat Server 3.1 Buffer Overflow via chat.ghp username Parameter
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 para…
Published: 2026-03-28 · CVSS: 9.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7