SEPTEMBER 15, 2026
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Case File

CVE-2026-51767

CRITICAL · CVSS 9.8 EPSS 0.44% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-01 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

TOTOLINK T6 devices running version 4.1.5cu.748_B20211015 are vulnerable due to improper access control in the recvClearPairCfg function, allowing unauthenticated attackers to reset the pairing state and reboot the device by sending a specially crafted MQTT message. This vulnerability poses a significant risk as it could lead to unauthorized access and disruption of service. Users and administrators of affected TOTOLINK devices should prioritize immediate remediation to mitigate 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-2026-51767
Severity
CRITICAL
CVSS
9.8
EPSS
0.44%

Original NVD Description

Incorrect access control in the recvClearPairCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to reset pairing state and reboot the device via sending a crafted MQTT message to the cs_broker component.