EUVD-2026-68592
GHSA-5jq5-9vg2-x8hh
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Unauthenticated network POST with low complexity (AV:N/AC:L/PR:N); impact is unauthorized config change so I:H, minor availability risk A:L, and no clear data disclosure so C:N rather than the published C:H.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
4DescriptionCVE.org
Incorrect access control in the setIptvCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter IPTV service configuration via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
AnalysisAI
Configuration tampering in the TOTOLINK T6 router (firmware 4.1.5cu.748_B20211015) lets remote unauthenticated attackers rewrite IPTV service settings by posting a crafted request to the /cgi-bin/cstecgi.cgi endpoint's setIptvCfg handler. The CGI function fails to enforce any authentication or authorization check, so anyone able to reach the web management interface can alter service configuration. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network reachability to the TOTOLINK T6 web management service (/cgi-bin/cstecgi.cgi) and the ability to send a POST invoking the setIptvCfg function; no authentication, credentials, or user interaction are needed (CVSS PR:N/UI:N). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals partially conflict and should be weighed together. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch version is identified at time of analysis; check the TOTOLINK download page (https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/190/ids/36.html) for a firmware build superseding 4.1.5cu.748_B20211015 and apply it once published. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all deployed TOTOLINK T6 routers, confirm firmware versions, and immediately restrict access to the web management interface-disable remote management if not operationally required, and limit local access to trusted administrative networks only. …
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External POC / Exploit Code
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