CVE-2026-51697: n/a
Description
CVE-2026-51697 is a critical vulnerability in TOTOLINK T6 firmware version 4.1.5cu.748_B20211015. It involves incorrect access control in the setIptvCfg function, allowing unauthenticated attackers to modify IPTV service configuration by sending crafted POST requests to /cgi-bin/cstecgi.cgi.
CVSS v3.1
Score 9.1critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from improper access control in the setIptvCfg function of TOTOLINK T6 4.1.5cu.748_B20211015. An attacker without authentication can send a specially crafted POST request to the /cgi-bin/cstecgi.cgi endpoint to alter IPTV service configurations. The CVSS 3.1 score is 9.1, indicating critical severity with network attack vector, no privileges required, no user interaction, and high impact on confidentiality and integrity but no impact on availability.
Potential Impact
Successful exploitation allows unauthenticated attackers to change IPTV service configurations, potentially compromising the confidentiality and integrity of the device's IPTV settings. This could lead to unauthorized access or manipulation of IPTV services. There is no indication of availability impact or known exploits in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, restrict network access to the affected endpoint and monitor for suspicious POST requests targeting /cgi-bin/cstecgi.cgi.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-5jq5-9vg2-x8hh
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-51697"]
Threat ID: 6a95befdacd9273b4966769e
Added to database: 08/31/2026, 17:50:53 UTC
Last enriched: 09/07/2026, 23:37:19 UTC
Last updated: 10/14/2026, 18:48:21 UTC
Views: 33
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