SEPTEMBER 15, 2026
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Case File

CVE-2026-51622

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 versions prior to 4.1.5cu.748_B20211015 are vulnerable due to improper access control in the getWanCfg function, enabling unauthenticated attackers to retrieve WAN configuration data through a specially crafted POST request. This exposure could lead to unauthorized network access and potential exploitation of the device. Network administrators and security teams managing affected TOTOLINK devices should prioritize remediation to mitigate risks associated with this vulnerability.

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-2026-51622
Severity
CRITICAL
CVSS
9.1
EPSS
0.36%

Original NVD Description

Incorrect access control in the getWanCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain WAN configuration data via sending a crafted POST request to /cgi-bin/cstecgi.cgi.