SEPTEMBER 17, 2026
Live Feed
Back to database
Case File

CVE-2026-51664

MEDIUM · CVSS 4.3 EPSS 0.19% Public Exploit

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

CyberRota Analysis

AI-Generated

The getTelnetCfg function in TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 is vulnerable due to incorrect access control, allowing unauthenticated attackers to retrieve the Telnet service enablement status by sending a specially crafted POST request to the CGI endpoint. This vulnerability could lead to unauthorized information disclosure, potentially aiding further attacks on the device. Organizations using this firmware should prioritize patching or mitigating this issue 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-2026-51664
Severity
MEDIUM
CVSS
4.3
EPSS
0.19%

Original NVD Description

Incorrect access control in the getTelnetCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain Telnet service enablement status information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.