CVE-2026-71905
8.6
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
Summary
Multiple DrayTek VigorAP models contain a command injection vulnerability in the ExportSettings function. The vulnerability is caused by insufficient filtering of the backupkey, backuptype, and realtime 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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| DrayTek Corporation | VigorAP 918R | 0 < 1.4.11 | affected |
| DrayTek Corporation | VigorAP 960C | 0 < 1.4.12 | affected |
| DrayTek Corporation | VigorAP 1060C | 0 < 1.4.12 | affected |
| DrayTek Corporation | VigorAP 906 | 0 < 1.4.13 | affected |
| DrayTek Corporation | VigorAP 912C | 0 < 1.4.15 | affected |
| DrayTek Corporation | VigorAP 903 | 0 < 1.4.22 | affected |
Weaknesses
- CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://www.draytek.com/about/security-advisory/multiple-remote-code-execution-and-buffer-overflow-vulnerabilities-in-vigorap-series-august-2026/
- https://www.vulncheck.com/advisories/draytek-vigorap-multiple-models-os-command-injection-via-exportsettings
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