SEPTEMBER 15, 2026
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Case File

CVE-2026-51741

CRITICAL · CVSS 9.8 EPSS 0.44% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-01 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

The clearDiagnosisLog function in TOTOLINK T6 version 4.1.5cu.748_B20211015 is vulnerable to incorrect access control, enabling unauthenticated attackers to erase critical diagnosis logs by sending a specially crafted POST request to /cgi-bin/cstecgi.cgi. This vulnerability could hinder incident response efforts by obscuring logs that are essential for diagnosing security incidents. Organizations using this router model should prioritize patching or mitigating this vulnerability to maintain the integrity of their logging systems.

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-2026-51741
Severity
CRITICAL
CVSS
9.8
EPSS
0.44%

Original NVD Description

Incorrect access control in the clearDiagnosisLog function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to erase diagnosis logs via sending a crafted POST request to /cgi-bin/cstecgi.cgi.