SEPTEMBER 17, 2026
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Case File

CVE-2026-51702

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 firmware version 4.1.5cu.748_B20211015 is vulnerable due to incorrect access control in the setIpPortFilterRules function, enabling unauthenticated attackers to modify firewall policies through specially crafted POST requests to /cgi-bin/cstecgi.cgi. This vulnerability poses a significant risk as it can lead to unauthorized network access and potential exploitation of the device. Organizations using this firmware should prioritize remediation 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-2026-51702
Severity
MEDIUM
CVSS
4.3
EPSS
0.20%

Original NVD Description

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