CVE-2026-3662— Wavlink WL-NU516U1 adm.cgi usb_p910 command injection
Quick assessment
Affected
Wavlink WL-NU516U1
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
WAVLINK WL-NU516U1是中国睿因（WAVLINK）公司的一款无线打印服务器。 WAVLINK WL-NU516U1 240425版本存在命令注入漏洞，该漏洞源于对文件/cgi-bin/adm.cgi中参数Pr_mode的错误操作，可能导致命令注入。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-3662
Vulnerability Information
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Vulnerability Title
Wavlink WL-NU516U1 adm.cgi usb_p910 command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Wavlink WL-NU516U1 240425. This vulnerability affects the function usb_p910 of the file /cgi-bin/adm.cgi. Such manipulation of the argument Pr_mode leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
WAVLINK WL-NU516U1 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WAVLINK WL-NU516U1是中国睿因（WAVLINK）公司的一款无线打印服务器。 WAVLINK WL-NU516U1 240425版本存在命令注入漏洞，该漏洞源于对文件/cgi-bin/adm.cgi中参数Pr_mode的错误操作，可能导致命令注入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Wavlink | WL-NU516U1 | 240425 |
cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:*
|
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II. Public POCs for CVE-2026-3662
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-3662 (2)
-
-
Submit #758228: wavlink WL-NU516U1-A M16U1_V240425 Command Injection third-party-advisory
Other References for CVE-2026-3662 (1)
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Too many requests · GitHub exploit
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V. Comments for CVE-2026-3662
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