SEPTEMBER 18, 2026
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Case File

CVE-2026-51659

HIGH · CVSS 7.5 EPSS 0.36% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-28 · Last synced 2026-09-18

CyberRota Analysis

AI-Generated

The getUrlFilterRules function in TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 has an incorrect access control vulnerability that allows unauthenticated attackers to retrieve sensitive DMZ configuration information through a specially crafted POST request to /cgi-bin/cstecgi.cgi. Organizations using this firmware should prioritize patching or mitigating this vulnerability to prevent unauthorized access to critical network configurations. Immediate action is recommended for those managing TOTOLINK devices to safeguard their network integrity.

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-2026-51659
Severity
HIGH
CVSS
7.5
EPSS
0.36%

Original NVD Description

Incorrect access control in the getUrlFilterRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain DMZ configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.