EUVD-2026-67874
GHSA-3753-236x-jr2j
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Unauthenticated network POST (AV:N/AC:L/PR:N/UI:N) yields read-only disclosure of filtering rules, so C:L with no integrity or availability impact (I:N/A:N).
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
5DescriptionCVE.org
Incorrect access control in the getIpPortFilterRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain IP and port filtering rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
AnalysisAI
Unauthenticated information disclosure in the TOTOLINK T6 router (firmware 4.1.5cu.748_B20211015) lets remote attackers read the device's IP and port filtering rules by sending a crafted POST request to the getIpPortFilterRules handler at /cgi-bin/cstecgi.cgi. The endpoint fails to enforce access control (CWE-284), exposing firewall/filter configuration to anyone who can reach the web interface. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network reachability to the TOTOLINK T6 web-management service at /cgi-bin/cstecgi.cgi and the ability to send a POST request invoking the getIpPortFilterRules function; per CVSS PR:N/UI:N no authentication or user interaction is needed. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Signals conflict on real-world priority. … 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; monitor the TOTOLINK download/firmware page (https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/190/ids/36.html) and apply any updated T6 firmware that supersedes 4.1.5cu.748_B20211015 as soon as it is published. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: restrict network access to the router's web interface to authorized administrative networks only and verify no unauthorized devices have management access. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
View allShare
External POC / Exploit Code
Leaving vuln.today