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NVD CRITICAL: CVE-2018-25221 — EChat Server 3.1 contains a buffer overflow vulnerability in the chat.ghp endpoi...

Saturday, March 28, 2026 at 12:16 PM UTC·Source: NIST NVD

Updated: Thursday, April 2, 2026 at 05:46 PM UTC

Executive Summary

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.

Analysis

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. CVSS Score: 9.8. Published: 2026-03-28T12:16:02.793.

Indicators of Compromise (1)

CVE (1)
CVE-2018-25221
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Mar 28, 2026. Verified by: NIST.

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