SEPTEMBER 18, 2026
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Case File

CVE-2026-51671

HIGH · CVSS 7.5 EPSS 0.36% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-31 · Last synced 2026-09-18

CyberRota Analysis

AI-Generated

TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 is vulnerable due to improper access control in the getCloudDownloadStatus function, allowing unauthenticated attackers to retrieve cloud firmware download status by sending a specially crafted POST request. This could lead to information disclosure, potentially aiding in further attacks against the device. Organizations using this firmware should prioritize patching to mitigate the risk of unauthorized access to sensitive operational 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-2026-51671
Severity
HIGH
CVSS
7.5
EPSS
0.36%

Original NVD Description

Incorrect access control in the getCloudDownloadStatus function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain cloud firmware download state information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.