SEPTEMBER 15, 2026
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Case File

CVE-2026-51738

CRITICAL · CVSS 9.8 EPSS 0.44% Public Exploit

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

CyberRota Analysis

AI-Generated

TOTOLINK T6 devices running firmware version 4.1.5cu.748_B20211015 are vulnerable due to improper access control in the LoadDefSettings function, allowing unauthenticated attackers to reset device configurations and reboot the device through a specially crafted POST request. This vulnerability poses a significant risk to network integrity and device availability. Network administrators and users of affected TOTOLINK devices should prioritize applying security updates or mitigating measures to protect against potential 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-2026-51738
Severity
CRITICAL
CVSS
9.8
EPSS
0.44%

Original NVD Description

Incorrect access control in the LoadDefSettings function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to reset the device configuration and reboot the device via sending a crafted POST request to /cgi-bin/cstecgi.cgi.