AUGUST 4, 2026
Live Feed
Return to register
Case File

CVE-2017-9544

CRITICAL · CVSS 9.8 EPSS 24.12% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-06-12 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

External Security References
exploit-db.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2017-9544
Severity
CRITICAL
CVSS
9.8
EPSS
24.12%

Original Filing — NVD Description

There is a remote stack-based buffer overflow (SEH) in register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1. By sending an overly long username string to registresult.htm for registering the user, an attacker may be able to execute arbitrary code.