SEPTEMBER 15, 2026
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Case File

CVE-2026-51740

CRITICAL · CVSS 9.8 EPSS 0.44% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-31 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

The killProcess function in TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 has an incorrect access control vulnerability, allowing unauthenticated attackers to terminate critical services by sending a specially crafted POST request to the /cgi-bin/cstecgi.cgi endpoint. This could lead to service disruption and potential exploitation of the device. Organizations using this firmware should prioritize patching or mitigating this vulnerability to protect their network integrity.

Public Exploit Signal

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

GitHub PoC Links
github.com ↗ github.com ↗

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

CVE
CVE-2026-51740
Severity
CRITICAL
CVSS
9.8
EPSS
0.44%

Original NVD Description

Incorrect access control in the killProcess function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to terminate critical services via sending a crafted POST request to /cgi-bin/cstecgi.cgi.