SEPTEMBER 17, 2026
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Case File

CVE-2026-51683

MEDIUM · CVSS 4.3 EPSS 0.20% Public Exploit

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

CyberRota Analysis

AI-Generated

TOTOLINK T6 version 4.1.5cu.748_B20211015 is vulnerable due to incorrect access control in the setLanCfg function, allowing unauthenticated attackers to modify LAN network configurations through a crafted POST request to /cgi-bin/cstecgi.cgi. This vulnerability poses a significant risk as it can lead to unauthorized network access and potential disruption of services. Network administrators and organizations using this specific firmware should prioritize patching or mitigating this vulnerability to safeguard their network infrastructure.

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-2026-51683
Severity
MEDIUM
CVSS
4.3
EPSS
0.20%

Original NVD Description

Incorrect access control in the setLanCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter LAN network configuration via sending a crafted POST request to /cgi-bin/cstecgi.cgi.