SEPTEMBER 18, 2026
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Case File

CVE-2026-51619

HIGH · CVSS 7.5 EPSS 0.36% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-28 · Last synced 2026-09-18

CyberRota Analysis

AI-Generated

TOTOLINK T6 version 4.1.5cu.748_B20211015 is vulnerable due to incorrect access control in the getOnlineClient function, enabling unauthenticated attackers to retrieve online client information by sending a specially crafted POST request to /cgi-bin/cstecgi.cgi. This vulnerability poses a risk of information disclosure, which could be exploited for further attacks or reconnaissance. Organizations using this router model should prioritize remediation to protect sensitive network information.

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-2026-51619
Severity
HIGH
CVSS
7.5
EPSS
0.36%

Original NVD Description

Incorrect access control in the getOnlineClient function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain online client information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.