PT-2026-28257 · Echatserver · Easy Chat Server
CVE-2018-25221
·
Published
2026-03-28
·
Updated
2026-03-28
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
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.
Exploit
Fix
Memory Corruption
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Weakness Enumeration
Related Identifiers
Affected Products
Easy Chat Server