SEPTEMBER 15, 2026
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Case File

CVE-2026-51715

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 incorrect access control in the delMacFilterRules function, allowing unauthenticated attackers to remove MAC filter rules by sending a specially crafted POST request to /cgi-bin/cstecgi.cgi. This vulnerability could lead to unauthorized network access and compromise the integrity of the device's security settings. Organizations using this router model should prioritize remediation to prevent potential exploitation.

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-2026-51715
Severity
CRITICAL
CVSS
9.8
EPSS
0.35%

Original NVD Description

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