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CVE-2026-15513— Wavlink WL-NU516U1 adm.cgi wlink_uci_set_value os command injection

Quick assessment

Affected
Wavlink WL-NU516U1
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.

WAVLINK wl-nu516u1 firmware是中国WAVLINK公司的一套无线网卡的固件程序。 WAVLINK wl-nu516u1 firmware 260515版本存在命令注入漏洞，该漏洞源于对文件/cgi-bin/adm.cgi中函数wlink_uci_set_value的参数lan_ip进行操作，容易受到os命令注入攻击。

CVSS 6.3 · Medium EPSS 1.82% · P78

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Wavlink WL-NU516U1 260515 affected
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I. Basic Information for CVE-2026-15513

Vulnerability Information
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Vulnerability Title
Wavlink WL-NU516U1 adm.cgi wlink_uci_set_value os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in Wavlink WL-NU516U1 260515. This affects the function wlink_uci_set_value of the file /cgi-bin/adm.cgi. Performing a manipulation of the argument lan_ip results in os command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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
Vulnerability Title
WAVLINK wl-nu516u1 firmware 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WAVLINK wl-nu516u1 firmware是中国WAVLINK公司的一套无线网卡的固件程序。 WAVLINK wl-nu516u1 firmware 260515版本存在命令注入漏洞，该漏洞源于对文件/cgi-bin/adm.cgi中函数wlink_uci_set_value的参数lan_ip进行操作，容易受到os命令注入攻击。
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 260515 cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-15513

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III. Intelligence Information for CVE-2026-15513

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Proof of Concept for CVE-2026-15513 (1)

Other References for CVE-2026-15513 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-15513

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