CVE-2026-71912

DrayTek VigorAP Multiple Models Buffer Overflow via apautotest

Published Aug 24, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Description
Multiple DrayTek VigorAP models contain a buffer overflow vulnerability in the apautotest function. The vulnerability is caused by missing length checks during memory copy operations involving the CMD6 field. A remote attacker can trigger this vulnerability via crafted input, causing a denial of service or potentially executing arbitrary commands. Exploitation requires valid administrative credentials for the device's web management interface.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Draytek vigorap 1060c
Draytek vigorap 903
Draytek vigorap 906
Draytek vigorap 912c
Draytek vigorap 918r
Draytek vigorap 960c
Vendors & Products Draytek vigorap 1060c
Draytek vigorap 903
Draytek vigorap 906
Draytek vigorap 912c
Draytek vigorap 918r
Draytek vigorap 960c
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Multiple DrayTek VigorAP models contain a buffer overflow vulnerability in the apautotest function. The vulnerability is caused by missing length checks during memory copy operations involving the CMD6 field. A remote attacker can trigger this vulnerability via crafted input, causing a denial of service or potentially executing arbitrary commands. Exploitation requires valid administrative credentials for the device's web management interface.
Title DrayTek VigorAP Multiple Models Buffer Overflow via apautotest
First Time appeared Draytek
Draytek vigorap 1060c Firmware
Draytek vigorap 903 Firmware
Draytek vigorap 906 Firmware
Draytek vigorap 912c Firmware
Draytek vigorap 918r Firmware
Draytek vigorap 960c Firmware
Weaknesses CWE-120
CPEs cpe:2.3:o:draytek:vigorap_1060c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigorap_903_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigorap_906_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigorap_912c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigorap_918r_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:draytek:vigorap_960c_firmware:*:*:*:*:*:*:*:*
Vendors & Products Draytek
Draytek vigorap 1060c Firmware
Draytek vigorap 903 Firmware
Draytek vigorap 906 Firmware
Draytek vigorap 912c Firmware
Draytek vigorap 918r Firmware
Draytek vigorap 960c Firmware
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': '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'}