SEPTEMBER 15, 2026
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Case File

CVE-2026-51696

CRITICAL · CVSS 9.8 EPSS 0.35% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-31 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

TOTOLINK T6 version 4.1.5cu.748_B20211015 is vulnerable due to improper access control in the setPortForwardRules function, enabling unauthenticated attackers to expose internal services by sending a specially crafted POST request to /cgi-bin/cstecgi.cgi. This vulnerability poses a significant risk as it can lead to unauthorized access to sensitive internal services. Organizations using this router model should prioritize patching or mitigating this vulnerability to protect 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-2026-51696
Severity
CRITICAL
CVSS
9.8
EPSS
0.35%

Original NVD Description

Incorrect access control in the setPortForwardRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to expose internal services via sending a crafted POST request to /cgi-bin/cstecgi.cgi.