SEPTEMBER 15, 2026
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Case File

CVE-2026-51670

CRITICAL · CVSS 9.8 EPSS 0.44% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-31 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 is vulnerable due to incorrect access control in the getSlaveUpdate function, allowing unauthenticated attackers to send crafted POST requests to /cgi-bin/cstecgi.cgi. This vulnerability can lead to unauthorized access to upgrade status information and manipulation of upgrade bookkeeping. Organizations using this firmware should prioritize remediation to prevent potential exploitation.

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-2026-51670
Severity
CRITICAL
CVSS
9.8
EPSS
0.44%

Original NVD Description

Incorrect access control in the getSlaveUpdate function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to query slave upgrade status and affect upgrade bookkeeping via sending a crafted POST request to /cgi-bin/cstecgi.cgi.