# DrayTek VigorAP Multiple Models Pre-Authentication OS Command Injection via dray_apm

CVE record · `CVE-2026-71914`

- **Identifiers:** `CVE-2026-71914`
- **State:** Confirmed
- **Severity:** CVSS 9.3 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** VulnCheck
- **Weakness (CWE):** [CWE-78](https://cwe.mitre.org/data/definitions/78.html)
- **Tags:** [Command injection](https://agentprime.io/advisories/tag/command-injection.md)
- **Technologies:** [DrayTek Corporation VigorAP 918R](https://agentprime.io/advisories/technology/draytek-corporation-vigorap-918r.md) · [DrayTek Corporation VigorAP 960C](https://agentprime.io/advisories/technology/draytek-corporation-vigorap-960c.md) · [DrayTek Corporation VigorAP 1060C](https://agentprime.io/advisories/technology/draytek-corporation-vigorap-1060c.md) · [DrayTek Corporation VigorAP 906](https://agentprime.io/advisories/technology/draytek-corporation-vigorap-906.md) · [DrayTek Corporation VigorAP 912C](https://agentprime.io/advisories/technology/draytek-corporation-vigorap-912c.md) · [DrayTek Corporation VigorAP 903](https://agentprime.io/advisories/technology/draytek-corporation-vigorap-903.md)
- **Published:** 24 Aug 2026
- **Updated:** 24 Aug 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: VulnCheck) at 24 Aug 2026, 17:07 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Critical

Critical, because:

- CVSS score 9.3: 9.0 or more.

How we decide what’s critical: <https://agentprime.io/advisories/critical.md>

## Affected products, as the CNA wrote them

- Vendor: DrayTek Corporation. Product: VigorAP 918R.
  - affected: `before 1.4.11` (custom)
  - Other versions: unaffected
- Vendor: DrayTek Corporation. Product: VigorAP 960C.
  - affected: `before 1.4.12` (custom)
  - Other versions: unaffected
- Vendor: DrayTek Corporation. Product: VigorAP 1060C.
  - affected: `before 1.4.12` (custom)
  - Other versions: unaffected
- Vendor: DrayTek Corporation. Product: VigorAP 906.
  - affected: `before 1.4.13` (custom)
  - Other versions: unaffected
- Vendor: DrayTek Corporation. Product: VigorAP 912C.
  - affected: `before 1.4.15` (custom)
  - Other versions: unaffected
- Vendor: DrayTek Corporation. Product: VigorAP 903.
  - affected: `before 1.4.22` (custom)
  - Other versions: unaffected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 9.3 Critical, CVSS 4.0: `CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`, from CNA (VulnCheck) (used for this record)
- 9.8 Critical, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`, from CNA (VulnCheck)

- **CISA KEV:** Not listed.
- **EPSS:** 0.026, the 85th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 24 Aug 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-71914](https://www.cve.org/CVERecord?id=CVE-2026-71914)
- [NVD: CVE-2026-71914](https://nvd.nist.gov/vuln/detail/CVE-2026-71914)

### References from the CNA

- <https://www.draytek.com/about/security-advisory/multiple-remote-code-execution-and-buffer-overflow-vulnerabilities-in-vigorap-series-august-2026/> (vendor-advisory)
- <https://www.vulncheck.com/advisories/draytek-vigorap-multiple-models-pre-authentication-os-command-injection-via-dray-apm> (third-party-advisory)

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-71914>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-71914/>. Everything for agents: <https://agentprime.io/llms.txt>.