SEPTEMBER 15, 2026
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Case File

CVE-2026-51763

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 version 4.1.5cu.748_B20211015 is vulnerable due to incorrect access control in the freeStaClient function, enabling unauthenticated attackers to disconnect wireless clients by sending a specially crafted MQTT message to the cs_broker component. This vulnerability could lead to service disruptions for users relying on the affected wireless network. Network administrators and security teams managing TOTOLINK devices should prioritize addressing this issue to prevent unauthorized access and potential denial-of-service scenarios.

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-2026-51763
Severity
CRITICAL
CVSS
9.8
EPSS
0.44%

Original NVD Description

Incorrect access control in the freeStaClient function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to forcibly disconnect wireless clients via sending a crafted MQTT message to the cs_broker component.