EUVD-2026-67880
GHSA-cj86-hx79-jgc7
Severity by source
AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Adjacent-network only (AV:A), no credentials needed (PR:N), read-only schedule data leaked (C:L), no integrity or availability impact.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
4DescriptionCVE.org
Incorrect access control in the getScheduleCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain schedule or scheduled-reboot configuration information 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) exposes schedule and scheduled-reboot configuration to any adjacent-network host. The CGI dispatcher at /cgi-bin/cstecgi.cgi serves the getScheduleCfg function without validating session credentials, allowing any LAN or Wi-Fi neighbor to retrieve timing configuration data via a crafted POST request. …
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 | The attacker must be on the same adjacent network (LAN or Wi-Fi broadcast domain) as the TOTOLINK T6 - the CVSS AV:A metric confirms this cannot be exploited from the internet without prior LAN access. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.3 score and its vector (AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) are well-calibrated for this issue: the adjacent-network constraint meaningfully limits attack surface, and the confidentiality impact is low because schedule and reboot-timing data carries minimal operational sensitivity. … 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 specific patched firmware version is confirmed in the available data; the vendor advisory pages at https://www.totolink.net/ should be checked for updated firmware releases targeting CVE-2026-51654. … Detailed patch versions, workarounds, and compensating controls in full report. |
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