EUVD-2026-77241
GHSA-j5cc-m29c-rhm8
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description explicitly states exploitation without authentication (PR:N); full device control implies C:H/I:H/A:H; scope unchanged as impact remains on the device itself.
Primary rating from Vendor (jpcert).
CVSS VectorVendor: jpcert
Lifecycle Timeline
5DescriptionCVE.org
Missing authentication for critical function vulnerability exists in CPSL-08P1EN. If this vulnerability is exploited, an affected product may be operated by a remote attacker without authentication.
AnalysisAI
Missing authentication on a critical function in the Contec CPSL-08P1EN allows a network-reachable attacker to operate the device without supplying credentials. The flaw (CWE-306) means a protected management or control function is reachable directly over the network with no authentication gate, giving an adversary the same effective access as a legitimate administrator. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The CPSL-08P1EN management interface must be reachable over a network (LAN or Internet). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H) scores 8.7, reflecting high impact across confidentiality, integrity, and availability. … 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 | Consult the vendor advisory published by Contec Co., Ltd. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct an urgent inventory of all Contec CPSL-08P1EN devices and assess their exposure from untrusted networks (Internet-facing, guest networks, third-party segments). …
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External POC / Exploit Code
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