EUVD-2026-67908
GHSA-j4f4-4qq5-3pgc
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Unauthenticated single POST over the network with no interaction; only confidentiality impact as data is read-only; C:H retained pending confirmation of credential exposure scope.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
5DescriptionCVE.org
Incorrect access control in the getWizardCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain setup wizard and onboarding configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
AnalysisAI
Unauthenticated remote access to setup wizard and onboarding configuration is possible on TOTOLINK T6 firmware 4.1.5cu.748_B20211015 through missing access control on the getWizardCfg CGI handler. Any attacker reachable to the device's web management interface can send a crafted POST to /cgi-bin/cstecgi.cgi and receive wizard configuration data - which may include ISP connection parameters or other sensitive values collected during initial device setup - without supplying credentials. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Target device must be running TOTOLINK T6 firmware 4.1.5cu.748_B20211015. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 3.1 scores this at 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N), which is appropriate for the attack vector - fully unauthenticated, single HTTP POST, no user interaction - but whether C:H is accurate hinges on what the wizard configuration actually stores. … 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 confirmed in the available data. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify and inventory all TOTOLINK T6 devices running firmware 4.1.5cu.748_B20211015 through device management or vendor documentation, then immediately restrict web management interface access to trusted administrative networks only using firewall rules. …
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Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
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