SEPTEMBER 15, 2026
Live Feed
Back to database
Case File

CVE-2026-51720

CRITICAL · CVSS 9.1 EPSS 0.29% Public Exploit

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

CyberRota Analysis

AI-Generated

TOTOLINK T6 versions prior to 4.1.5cu.748_B20211015 are vulnerable due to improper access control in the delIpPortFilterRules function, enabling unauthenticated attackers to remove firewall filter rules by sending a specially crafted POST request. This vulnerability could lead to unauthorized network access and potential exploitation of the affected device. Network administrators and security teams managing TOTOLINK T6 devices should prioritize applying updates to mitigate this risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-51720
Severity
CRITICAL
CVSS
9.1
EPSS
0.29%

Original NVD Description

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