EUVD-2026-64972
GHSA-gc54-hr7f-cpjx
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
Web management interface is network-accessible (AV:N), no complexity beyond auth (AC:L), admin credentials required (PR:H); root command execution yields full CIA impact with no scope change beyond the device.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
3DescriptionCVE.org
Multiple DrayTek VigorAP models contain a command injection vulnerability in the upload_settings.cgi interface. The vulnerability is caused by insufficient filtering before the restorekey field is concatenated into a shell command. 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 multiple DrayTek VigorAP access point models allows an authenticated remote attacker with administrative credentials to execute arbitrary OS commands as root via a crafted restorekey parameter in the upload_settings.cgi endpoint. Six VigorAP hardware models share the vulnerable codebase: 903, 906, 912C, 918R, 960C, and 1060C. …
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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, confirmed by both the CVE description and the CVSS PR:H metric - unauthenticated exploitation is not possible. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 8.6 (AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H) reflects network-reachable exploitation with no complexity or attack preconditions beyond valid 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 DrayTek's vendor-released firmware updates immediately for each affected model: VigorAP 903 to firmware 1.4.22 or later, VigorAP 906 to 1.4.13 or later, VigorAP 912C to 1.4.15 or later, VigorAP 918R to 1.4.11 or later, VigorAP 960C to 1.4.12 or later, and VigorAP 1060C to 1.4.12 or later. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all VigorAP access points in production and branch office deployments to identify affected hardware models and current firmware versions in use. …
Sign in for detailed remediation steps and compensating controls.
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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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