SEPTEMBER 15, 2026
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Case File

CVE-2026-51669

CRITICAL · CVSS 9.1 EPSS 0.36% Public Exploit

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

CyberRota Analysis

AI-Generated

TOTOLINK T6 version 4.1.5cu.748_B20211015 is vulnerable due to improper access control in the getPairCfg function, allowing unauthenticated attackers to retrieve sensitive pairing and mesh-slave configuration data through a specially crafted POST request to /cgi-bin/cstecgi.cgi. This vulnerability could lead to unauthorized access and manipulation of network configurations. Organizations using this router model should prioritize patching or mitigating this issue 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-2026-51669
Severity
CRITICAL
CVSS
9.1
EPSS
0.36%

Original NVD Description

Incorrect access control in the getPairCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain pairing and mesh-slave configuration via sending a crafted POST request to /cgi-bin/cstecgi.cgi.