SEPTEMBER 15, 2026
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Case File

CVE-2026-51649

CRITICAL · CVSS 9.1 EPSS 0.36% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-28 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

The getDiagnosisCfg function in TOTOLINK T6 version 4.1.5cu.748_B20211015 has an incorrect access control vulnerability that allows unauthenticated attackers to retrieve sensitive diagnostic configuration and ping log data by sending a specially crafted POST request to /cgi-bin/cstecgi.cgi. Organizations using this device should prioritize addressing this issue to prevent unauthorized access to potentially sensitive network information. Immediate action is recommended for users of this specific firmware version to mitigate the risk of exploitation.

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-2026-51649
Severity
CRITICAL
CVSS
9.1
EPSS
0.36%

Original NVD Description

Incorrect access control in the getDiagnosisCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain diagnostic configuration and ping log contents via sending a crafted POST request to /cgi-bin/cstecgi.cgi.