SEPTEMBER 15, 2026
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Case File

CVE-2026-51692

CRITICAL · CVSS 9.1 EPSS 0.29% Public Exploit

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

CyberRota Analysis

AI-Generated

The TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 has a vulnerability in the setWiFiGuestCfg function, which allows unauthenticated attackers to manipulate guest wireless access by sending a specially crafted POST request to the CGI interface. This flaw can lead to unauthorized access or compromise of guest network settings, potentially exposing sensitive information on the network. Organizations using this firmware should prioritize patching or mitigating this vulnerability to safeguard their wireless networks.

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-2026-51692
Severity
CRITICAL
CVSS
9.1
EPSS
0.29%

Original NVD Description

Incorrect access control in the setWiFiGuestCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to establish or weaken guest wireless access via sending a crafted POST request to /cgi-bin/cstecgi.cgi.