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CVE-2026-8190— Wavlink NU516U1 adm.cgi wan os command injection

CVSS 6.3 · Medium EPSS 0.26% · P50
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I. Basic Information for CVE-2026-8190

Vulnerability Information
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Vulnerability Title
Wavlink NU516U1 adm.cgi wan os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was determined in Wavlink NU516U1 M16U1_V240425. Affected by this issue is the function wan of the file /cgi-bin/adm.cgi. This manipulation of the argument ppp_username/ppp_passwd/rwan_ip/rwan_mask/rwan_gateway is directly passed by the attacker/so we can control the ppp_username/ppp_passwd/rwan_ip/rwan_mask/rwan_gateway causes os command injection. The attack can be initiated 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:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
Wavlink NU516U1 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wavlink NU516U1是中国睿因（Wavlink）公司的一款无线打印服务器。 Wavlink NU516U1 M16U1_V240425版本存在命令注入漏洞，该漏洞源于文件/cgi-bin/adm.cgi中wan函数对参数ppp_username/ppp_passwd/rwan_ip/rwan_mask/rwan_gateway的直接传递，可能导致OS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

VendorProductAffected VersionsCPESubscribe
WavlinkNU516U1 M16U1_V240425 -

II. Public POCs for CVE-2026-8190

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III. Intelligence Information for CVE-2026-8190

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Same Patch Batch · Wavlink · 2026-05-09 · 5 CVEs total

CVE-2026-81926.3 MEDIUMWavlink NU516U1 adm.cgi wzdap os command injection
CVE-2026-81916.3 MEDIUMWavlink NU516U1 adm.cgi wifi_region os command injection
CVE-2026-81896.3 MEDIUMWavlink NU516U1 adm.cgi wzdrepeater os command injection
CVE-2026-81886.3 MEDIUMWavlink NU516U1 adm.cgi change_wifi_password os command injection

IV. Related Vulnerabilities

Same product: NU516U1
Same vendor: Wavlink
Same weakness: CWE-78

V. Comments for CVE-2026-8190

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