CVE-2026-71906— DrayTek VigorAP Multiple Models OS Command Injection via setLan
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.
多款DrayTek VigorAP设备在setLan函数中存在命令注入漏洞。该漏洞的根源在于，在执行命令前对lanIp和lanNetmask字段的验证不足。远程攻击者可通过构造恶意输入触发此漏洞，以root权限执行任意命令。利用此漏洞需要设备Web管理界面的有效管理员凭据。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-71906
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
DrayTek VigorAP Multiple Models OS Command Injection via setLan
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple DrayTek VigorAP models contain a command injection vulnerability in the setLan function. The vulnerability is caused by insufficient validation of the lanIp and lanNetmask 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-2026-71906
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-71906
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-71906 (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-2026-71905 | 7.2 HIGH | DrayTek VigorAP Multiple Models OS Command Injection via ExportSettings |
| 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-2026-71912 | 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-2026-71925 | 7.2 HIGH | DrayTek VigorSwitch Multiple Models OS Command Injection via getDetail |
| 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-2026-71909 | 7.2 HIGH | DrayTek VigorAP Multiple Models OS Command Injection via InquierTime |
Showing top 20 of 40 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: VigorAP 918R
-
CVE-2026-71913
DrayTek VigorAP Multiple Models OS Command Injection via upl -
CVE-2026-71914
DrayTek VigorAP Multiple Models Pre-Authentication OS Comman -
CVE-2026-71912
DrayTek VigorAP Multiple Models Buffer Overflow via apautote -
CVE-2026-71910
DrayTek VigorAP Multiple Models OS Command Injection via apa -
CVE-2026-71911
DrayTek VigorAP Multiple Models Buffer Overflow via setLan
Same vendor: DrayTek Corporation
-
CVE-2026-71943
DrayTek VigorSwitch Multiple Models OS Command Injection via -
CVE-2026-71941
DrayTek VigorSwitch Multiple Models Buffer Overflow via diag -
CVE-2026-71942
DrayTek VigorSwitch Multiple Models Buffer Overflow via mail -
CVE-2026-71940
DrayTek VigorSwitch Multiple Models Buffer Overflow via acl_ -
CVE-2026-71938
DrayTek VigorSwitch Multiple Models Buffer Overflow via swit
Same weakness: CWE-78
-
CVE-2026-63586
Unauthenticated Remote Code Execution via Shell Injection in -
CVE-2026-78430
sworddut mcp-ffmpeg-helper Tool handlers.ts handleToolCall o -
CVE-2026-78541
Command Injection in Parent Control of TP-Link Archer BE3600 -
CVE-2026-16348
Command Injection Vulnerability in VPN connection of Archer -
CVE-2026-9254
Command Injection Vulnerability in Parent Control of Multipl
V. Comments for CVE-2026-71906
No comments yet