Command Injection Vulnerability in DrayTek VigorAP Products
CVE-2026-71908

8.6HIGH

Key Information:

Vendor

Draytek Corporation

Status
Vigorap 918r
Vigorap 960c
Vigorap 1060c
Vigorap 906
Vendor
CVE Published:
24 August 2026

What is CVE-2026-71908?

Multiple models of DrayTek VigorAP are susceptible to a command injection vulnerability due to inadequate sanitization of input fields in the mesh_start_speed_test function. This flaw allows a remote attacker, with valid administrative credentials, to execute arbitrary commands with root privileges by injecting malicious input into the meshdevice_index and meshdevice_ip fields. It is crucial for administrators to implement security practices and patch affected devices promptly to mitigate potential risks.

Affected Version(s)

VigorAP 1060C 0 < 1.4.12

VigorAP 903 0 < 1.4.22

VigorAP 906 0 < 1.4.13

References

https://www.draytek.com/about/security-advisory/multiple-...
vendor-advisory
https://www.vulncheck.com/advisories/draytek-vigorap-mult...
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jincheng Wang (@winmt)
Le Yu (Nanjing University of Posts and Telecommunications)
Xiapu Luo (The Hong Kong Polytechnic University)
.