CVE-2026-2615— Wavlink WL-NU516U1 firewall.cgi singlePortForwardDelete command injection
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I. Basic Information for CVE-2026-2615
Vulnerability Information
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Vulnerability Title
Wavlink WL-NU516U1 firewall.cgi singlePortForwardDelete command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw has been found in Wavlink WL-NU516U1 up to 20251208. The affected element is the function singlePortForwardDelete of the file /cgi-bin/firewall.cgi. Executing a manipulation of the argument del_flag can lead to command injection. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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 安全漏洞
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 20251208及之前版本存在安全漏洞，该漏洞源于对文件/cgi-bin/firewall.cgi中参数del_flag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 | 20251208 | cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-2615
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|---|
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IV. Related Vulnerabilities
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Wavlink WL-NU516U1 login.cgi sub_401A0C stack-based overflow
Same vendor: Wavlink
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Same weakness: CWE-77
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V. Comments for CVE-2026-2615
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