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CVE-2026-71908— DrayTek VigorAP Multiple Models OS Command Injection via mesh_start_speed_test

Quick assessment

Affected
DrayTek Corporation VigorAP 918R
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

多个DrayTek VigorAP型号的设备在mesh_start_speed_test函数中存在命令注入漏洞。该漏洞是由于在执行命令前对meshdevice_index和meshdevice_ip字段进行消毒不足所导致。远程攻击者可以通过精心构造的输入触发此漏洞，以执行具有root权限的任意命令。利用此漏洞需要有效的设备Web管理界面的管理员凭据。

CVSS 7.2 · High EPSS 3.05% · P87

Affected Version Matrix 6

VendorProduct Version RangeStatus
DrayTek Corporation VigorAP 1060C < 1.4.12 affected
DrayTek Corporation VigorAP 903 < 1.4.22 affected
DrayTek Corporation VigorAP 906 < 1.4.13 affected
DrayTek Corporation VigorAP 912C < 1.4.15 affected
DrayTek Corporation VigorAP 918R < 1.4.11 affected
DrayTek Corporation VigorAP 960C < 1.4.12 affected
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I. Basic Information for CVE-2026-71908

Vulnerability Information
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Vulnerability Title
DrayTek VigorAP Multiple Models OS Command Injection via mesh_start_speed_test
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple DrayTek VigorAP models contain a command injection vulnerability in the mesh_start_speed_test function. The vulnerability is caused by insufficient sanitization of the meshdevice_index and meshdevice_ip fields before command execution. A remote attacker can trigger this vulnerability via crafted input to execute arbitrary commands with root privileges. Exploitation requires valid administrative credentials for the device's web management interface.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
DrayTek Corporation VigorAP 918R 0 ~ 1.4.11 -
DrayTek Corporation VigorAP 960C 0 ~ 1.4.12 -
DrayTek Corporation VigorAP 1060C 0 ~ 1.4.12 -
DrayTek Corporation VigorAP 906 0 ~ 1.4.13 -
DrayTek Corporation VigorAP 912C 0 ~ 1.4.15 -
DrayTek Corporation VigorAP 903 0 ~ 1.4.22 -

II. Public POCs for CVE-2026-71908

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III. Intelligence Information for CVE-2026-71908

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Vendor Advisories for CVE-2026-71908 (2)

Same Patch Batch · DrayTek Corporation · 2026-08-24 · 40 CVEs total

CVE-2026-71914 9.8 CRITICAL DrayTek VigorAP Multiple Models Pre-Authentication OS Command Injection via dray_apm
CVE-2026-71921 9.8 CRITICAL DrayTek VigorSwitch Multiple Models Pre-Authentication OS Command Injection via setget.cgi
CVE-2026-71933 9.1 CRITICAL DrayTek VigorSwitch Multiple Models Missing Authorization in Syslog Functions
CVE-2026-71922 7.5 HIGH DrayTek VigorSwitch Multiple Models Pre-Authentication NULL Pointer Dereference via setget
CVE-2026-71915 7.2 HIGH DrayTek VigorSwitch Multiple Models OS Command Injection via jsonstatus
CVE-2026-71919 7.2 HIGH DrayTek VigorSwitch Multiple Models OS Command Injection via sysreboot
CVE-2026-71910 7.2 HIGH DrayTek VigorAP Multiple Models OS Command Injection via apautotest
CVE-2026-71906 7.2 HIGH DrayTek VigorAP Multiple Models OS Command Injection via setLan
CVE-2026-71912 7.2 HIGH DrayTek VigorAP Multiple Models Buffer Overflow via apautotest
CVE-2026-71917 7.2 HIGH DrayTek VigorSwitch Multiple Models OS Command Injection via pingtrace
CVE-2026-71907 7.2 HIGH DrayTek VigorAP Multiple Models OS Command Injection via setcamset
CVE-2026-71934 7.2 HIGH DrayTek VigorSwitch Multiple Models Buffer Overflow via pingtrace
CVE-2026-71905 7.2 HIGH DrayTek VigorAP Multiple Models OS Command Injection via ExportSettings
CVE-2026-71923 7.2 HIGH DrayTek VigorSwitch Multiple Models OS Command Injection via auth_set
CVE-2026-71935 7.2 HIGH DrayTek VigorSwitch Multiple Models Buffer Overflow via webBackupAction
CVE-2026-71941 7.2 HIGH DrayTek VigorSwitch Multiple Models Buffer Overflow via diag_logmail
CVE-2026-71938 7.2 HIGH DrayTek VigorSwitch Multiple Models Buffer Overflow via switch_lan_gvrp
CVE-2026-71939 7.2 HIGH DrayTek VigorSwitch Multiple Models Buffer Overflow via acl_general_setup Add ACE
CVE-2026-71918 7.2 HIGH DrayTek VigorSwitch Multiple Models OS Command Injection via webBackupAction
CVE-2026-71937 7.2 HIGH DrayTek VigorSwitch Multiple Models Buffer Overflow via poe_schedule_profile

Showing top 20 of 40 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: VigorAP 918R
Same vendor: DrayTek Corporation
Same weakness: CWE-78

V. Comments for CVE-2026-71908

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