SEPTEMBER 17, 2026
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Case File

CVE-2026-51630

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

TOTOLINK T6 version 4.1.5cu.748_B20211015 is vulnerable due to incorrect access control in the getDdnsCfg function, allowing unauthenticated attackers to retrieve sensitive DDNS configuration details, including domain, username, and password, through a specially crafted POST request. Organizations using this router model should prioritize addressing this vulnerability to prevent unauthorized access to critical network configurations. Immediate action is recommended for those managing network security and device configurations.

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-2026-51630
Severity
MEDIUM
CVSS
4.3
EPSS
0.20%

Original NVD Description

Incorrect access control in the getDdnsCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain DDNS configuration, including domain, username, and password, via sending a crafted POST request to /cgi-bin/cstecgi.cgi.