CVE-2026-71912
DrayTek VigorAP Multiple Models Buffer Overflow via apautotest
- State
- Published
- Severity
- 8.6 High
- Published
- Aug 24, 2026
- Updated
- Aug 24, 2026
- Reserved
- Aug 8, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | 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 | VulnCheck |
| 3.1 | 7.2 High | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Affected Products
| Product | Versions |
|---|---|
VigorAP 918RDrayTek Corporation |
|
VigorAP 960CDrayTek Corporation |
|
VigorAP 1060CDrayTek Corporation |
|
VigorAP 906DrayTek Corporation |
|
VigorAP 912CDrayTek Corporation |
|
VigorAP 903DrayTek Corporation |
|
References
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