# CVE-2026-71904: DrayTek VigorAP command injection in tr069TestInform

Source: https://junglewise.ai/threats/cve-2026-71904-draytek-vigorap-command-injection-in-tr069testinform  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-24. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-71904 · Severity: high · CVSS 7.2 · Published 2026-08-24

DrayTek VigorAP access points are network devices used to provide wireless connectivity in business environments. A command injection vulnerability in the management interface allows authenticated administrators to execute arbitrary system commands with root privileges by submitting crafted input. An attacker with valid admin credentials could take complete control of the device, potentially compromising network traffic and connected users.

Technologies: [DrayTek VigorAP 1060C](https://junglewise.ai/threats/technologies/vigorap-1060c), [DrayTek VigorAP 903](https://junglewise.ai/threats/technologies/vigorap-903), [DrayTek VigorAP 906](https://junglewise.ai/threats/technologies/vigorap-906), [DrayTek VigorAP 912C](https://junglewise.ai/threats/technologies/vigorap-912c), [DrayTek VigorAP 918R](https://junglewise.ai/threats/technologies/vigorap-918r), [DrayTek VigorAP 960C](https://junglewise.ai/threats/technologies/vigorap-960c). Vendors: [DrayTek](https://junglewise.ai/threats/vendors/draytek).

## Quick answers

**Is CVE-2026-71904 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-71904 being exploited in the wild.

**How severe is CVE-2026-71904?** High severity, with a CVSS score of 7.2, published 24 August 2026.

**Which products and versions are affected?** DrayTek VigorAP 1060C before 1.4.12; DrayTek VigorAP 903 before 1.4.22; DrayTek VigorAP 906 before 1.4.13; DrayTek VigorAP 912C before 1.4.15; and 2 more.

**Is there a fix for CVE-2026-71904?** A patch was published on 2026-08-24: Fixed firmware versions released for all affected models Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-71904 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-71904?** Check whether you run DrayTek VigorAP 1060C, DrayTek VigorAP 903, DrayTek VigorAP 906 or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is an OS command injection (CWE-78) in the tr069TestInform function caused by insufficient sanitization of the event_code parameter before it is concatenated into a system command string. The attack vector is network-based via the device's web management interface, but requires valid administrative credentials for authentication. A remote attacker can trigger the vulnerability by submitting specially crafted input containing shell metacharacters in the event_code field to execute arbitrary commands with root privileges. Patches are available in firmware updates: VigorAP 918R 1.4.11, 960C/1060C 1.4.12, 906 1.4.13, 912C 1.4.15, and 903 1.4.22.

## Affected products

- DrayTek VigorAP 918R before 1.4.11
- DrayTek VigorAP 960C before 1.4.12
- DrayTek VigorAP 1060C before 1.4.12
- DrayTek VigorAP 906 before 1.4.13
- DrayTek VigorAP 912C before 1.4.15
- DrayTek VigorAP 903 before 1.4.22

## Timeline

- 2026-08-24: disclosed: Public advisory released by DrayTek (DSA-2026-002)
- 2026-08-24: patched: Fixed firmware versions released for all affected models

## References

- [https://www.draytek.com/about/security-advisory/multiple-remote-code-execution-and-buffer-overflow-vulnerabilities-in-vigorap-series-august-2026/](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-tr069testinform](https://www.vulncheck.com/advisories/draytek-vigorap-multiple-models-os-command-injection-via-tr069testinform)

## Related threats

- [DrayTek VigorAP command injection in dray_apm](https://junglewise.ai/threats/cve-2026-71914-draytek-vigorap-command-injection-in-dray-apm)
- [DrayTek VigorAP command injection in upload_settings.cgi](https://junglewise.ai/threats/cve-2026-71913-draytek-vigorap-command-injection-in-upload-settings-cgi)
- [DrayTek VigorAP buffer overflow in apautotest](https://junglewise.ai/threats/cve-2026-71912-draytek-vigorap-buffer-overflow-in-apautotest)
- [DrayTek VigorAP buffer overflow in setLan function](https://junglewise.ai/threats/cve-2026-71911-draytek-vigorap-buffer-overflow-in-setlan-function)
- [DrayTek VigorAP OS command injection in apautotest](https://junglewise.ai/threats/cve-2026-71910-draytek-vigorap-os-command-injection-in-apautotest)