SEPTEMBER 17, 2026
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Case File

CVE-2026-51742

MEDIUM · CVSS 5.9 EPSS 0.34% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-01 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

TOTOLINK T6 version 4.1.5cu.748_B20211015 is vulnerable due to incorrect access control in the discoverWan function, allowing unauthenticated attackers to exploit this flaw by sending a crafted POST request to /cgi-bin/cstecgi.cgi. This vulnerability could enable attackers to manipulate WAN discovery processes, potentially leading to unauthorized access or network reconnaissance. Organizations using this specific firmware version should prioritize remediation to mitigate potential exploitation risks.

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-2026-51742
Severity
MEDIUM
CVSS
5.9
EPSS
0.34%

Original NVD Description

Incorrect access control in the discoverWan function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger WAN discovery logic via sending a crafted POST request to /cgi-bin/cstecgi.cgi.