EUVD-2026-64967
GHSA-693m-44xg-3w8f
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
Network-reachable web interface (AV:N, AC:L), administrative credentials required (PR:H), no user interaction needed beyond login, scope unchanged with full system compromise on the vulnerable device.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
Lifecycle Timeline
3DescriptionCVE.org
Multiple DrayTek VigorAP models contain a command injection vulnerability in the mesh_start_speed_test function. The vulnerability is caused by insufficient sanitization of the meshdevice_index and meshdevice_ip fields before command execution. A remote attacker can trigger this vulnerability via crafted input to execute arbitrary commands with root privileges. Exploitation requires valid administrative credentials for the device's web management interface.
AnalysisAI
Command injection in DrayTek VigorAP mesh networking firmware allows authenticated remote administrators to execute arbitrary OS commands with root privileges across six VigorAP models. The vulnerability exists in the mesh_start_speed_test function, where unsanitized meshdevice_index and meshdevice_ip input is passed directly to shell command execution, yielding complete device compromise including full confidentiality, integrity, and availability impact. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires valid administrative credentials for the DrayTek VigorAP web management interface - this is the binding prerequisite confirmed by both the CVE description and the CVSS PR:H metric. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:H/UI:N with VC:H/VI:H/VA:H) accurately characterizes the threat: network-reachable, low complexity exploitation producing total device compromise, but gated behind administrative credentials (PR:H). … 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 | Apply the vendor-released firmware updates immediately: upgrade VigorAP 1060C and VigorAP 960C to version 1.4.12 or later, VigorAP 906 to 1.4.13 or later, VigorAP 912C to 1.4.15 or later, VigorAP 903 to 1.4.22 or later, and VigorAP 918R to 1.4.11 or later. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all VigorAP mesh devices in your environment and cross-reference their current firmware versions against DrayTek's security advisory for CVE-2026-71908 to identify affected units. …
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Same weakness CWE-78 – OS Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
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