SEPTEMBER 17, 2026
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Case File

CVE-2026-51655

MEDIUM · CVSS 4.3 EPSS 0.20% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-28 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

The getMacFilterRules function in TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 has an incorrect access control vulnerability that allows unauthenticated attackers to retrieve MAC filter rules by sending a specially crafted POST request to the CGI endpoint. This exposure could enable attackers to bypass network access controls, potentially facilitating further attacks on the network. Organizations using this firmware should prioritize patching or mitigating this vulnerability to protect 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-2026-51655
Severity
MEDIUM
CVSS
4.3
EPSS
0.20%

Original NVD Description

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