SEPTEMBER 15, 2026
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Case File

CVE-2026-51661

CRITICAL · CVSS 9.1 EPSS 0.36% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-28 · 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 getPortForwardRules function, enabling unauthenticated attackers to retrieve sensitive port-forwarding rules by sending a specially crafted POST request to /cgi-bin/cstecgi.cgi. This vulnerability could lead to unauthorized access to network configurations, potentially exposing the device to further attacks. Network administrators and security teams managing affected TOTOLINK devices should prioritize remediation to mitigate the risk of exploitation.

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-2026-51661
Severity
CRITICAL
CVSS
9.1
EPSS
0.36%

Original NVD Description

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