SEPTEMBER 18, 2026
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Case File

CVE-2026-51719

HIGH · CVSS 7.5 EPSS 0.26% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-31 · Last synced 2026-09-18

CyberRota Analysis

AI-Generated

TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 is vulnerable due to improper access control in the delUrlFilterRules function, allowing unauthenticated attackers to manipulate URL filtering rules by sending a specially crafted POST request. This vulnerability could lead to unauthorized changes in web access policies, potentially exposing users to malicious content. Organizations using this firmware should prioritize remediation to safeguard their network security.

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-2026-51719
Severity
HIGH
CVSS
7.5
EPSS
0.26%

Original NVD Description

Incorrect access control in the delUrlFilterRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to remove URL filtering rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi.