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7.5

TOTOLINK T6 router reveals IPTV settings to anyone

CVE-2026-51627 · published 2 months ago
Summary

The router’s internal routine that provides IPTV and related streaming settings can be accessed without logging in. An attacker can send a specially crafted request to the device and view those configuration details. Update the router’s firmware to the latest version and ensure remote management is disabled or limited to trusted users.

Original advisory text
Incorrect access control in the getIptvCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain IPTV and IGMP configuration information via sending a crafted POS...
Incorrect access control in the getIptvCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain IPTV and IGMP configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker partial control
Severity
7.5 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-284Improper Access Control
Timeline
Published28 Aug 2026
Updated4 Nov 2026
First seen28 Aug 2026
Sources
CVE-2026-51627 · NVD
CVE-2026-51627 · MITRE
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