CVE-2026-3612— Wavlink WL-NU516U1 OTA Online Upgrade adm.cgi sub_405AF4 command injection
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I. Basic Information for CVE-2026-3612
Vulnerability Information
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Vulnerability Title
Wavlink WL-NU516U1 OTA Online Upgrade adm.cgi sub_405AF4 command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was determined in Wavlink WL-NU516U1 V240425. This affects the function sub_405AF4 of the file /cgi-bin/adm.cgi of the component OTA Online Upgrade. This manipulation of the argument firmware_url causes command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
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 V240425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firmware_url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 | V240425 | cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-3612
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|---|
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- Submit #754668: Wavlink NU516U1 V240425 Command Injectionthird-party-advisory
- CVE-2026-3612 Wavlink WL-NU516U1 OTA Online Upgrade adm.cgi sub_405AF4 command injectionvdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-3612
IV. Related Vulnerabilities
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Wavlink WL-NU516U1 adm.cgi ota_new_upgrade command injection - CVE-2026-3613
Wavlink WL-NU516U1 login.cgi sub_401A0C stack-based overflow
Same vendor: Wavlink
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Wavlink NU516U1 adm.cgi wzdapMesh os command injection - CVE-2026-8192
Wavlink NU516U1 adm.cgi wzdap os command injection
Same weakness: CWE-77
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V. Comments for CVE-2026-3612
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