EUVD-2026-64963
GHSA-7378-7886-rhmg
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-accessible web interface (AV:N), no complexity barriers (AC:L), explicit admin credential requirement (PR:H), root command execution yields full confidentiality, integrity, and availability impact on the device (C:H/I:H/A:H), no scope change as impact is confined to the AP itself (S:U).
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
3DescriptionCVE.org
Multiple DrayTek VigorAP models contain a command injection vulnerability in the tr069TestInform function. The vulnerability is caused by insufficient filtering of dangerous characters before the event_code field is concatenated into a system 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 firmware models allows authenticated remote attackers with administrative credentials to execute arbitrary OS commands as root via the tr069TestInform function. Six models are confirmed affected - VigorAP 903, 906, 912C, 918R, 960C, and 1060C - with vendor-patched firmware available at model-specific versions. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires two concrete prerequisites: (1) valid administrative credentials for the DrayTek VigorAP web management interface, explicitly stated in the CVE description and confirmed by the PR:H CVSS 4.0 metric - no privilege escalation path from lower-privilege accounts is described; and (2) network-level reachability to the web management interface from the attacker's position, per AV:N. … 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/VC:H/VI:H/VA:H) places this vulnerability in a high-severity band, but the PR:H metric is the critical limiting factor: exploitation unconditionally requires valid administrative credentials for the web management interface. … 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 | Upgrade affected devices to the patched firmware versions immediately: VigorAP 960C to 1.4.12 or later, VigorAP 918R to 1.4.11 or later, VigorAP 912C to 1.4.15 or later, VigorAP 906 to 1.4.13 or later, VigorAP 903 to 1.4.22 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 DrayTek VigorAP units deployed in production and identify their current firmware versions using vendor documentation. …
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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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