SEPTEMBER 17, 2026
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Case File

CVE-2026-51706

MEDIUM · CVSS 4.3 EPSS 0.21% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-31 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

The setSmartQosCfg function in TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 has an incorrect access control vulnerability that allows unauthenticated attackers to manipulate traffic handling by sending a specially crafted POST request to /cgi-bin/cstecgi.cgi. This could lead to degraded network performance and potential denial of service. Organizations using this firmware should prioritize patching 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-2026-51706
Severity
MEDIUM
CVSS
4.3
EPSS
0.21%

Original NVD Description

Incorrect access control in the setSmartQosCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to degrade traffic handling via sending a crafted POST request to /cgi-bin/cstecgi.cgi.