SEPTEMBER 18, 2026
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Case File

CVE-2026-51695

HIGH · CVSS 7.5 EPSS 0.26% Public Exploit

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

CyberRota Analysis

AI-Generated

The TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 is vulnerable due to improper access control in the setDdnsCfg function, allowing unauthenticated attackers to modify dynamic DNS settings by sending a specially crafted POST request to the CGI interface. This vulnerability could lead to unauthorized DNS manipulation, potentially redirecting users to malicious sites. Network administrators using this firmware should prioritize patching to mitigate the risk of 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-2026-51695
Severity
HIGH
CVSS
7.5
EPSS
0.26%

Original NVD Description

Incorrect access control in the setDdnsCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter dynamic DNS state via sending a crafted POST request to /cgi-bin/cstecgi.cgi.