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CVE-2026-4163— Wavlink WL-WN579A3 POST Request wireless.cgi GuestWifi command injection

Quick assessment

Affected
Wavlink WL-WN579A3
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WAVLINK WL-WN579A3是中国睿因（WAVLINK）公司的一款高性能双频无线网卡。 WAVLINK WL-WN579A3 220323版本存在命令注入漏洞，该漏洞源于对文件/cgi-bin/wireless.cgi中函数SetName/GuestWifi的参数操作不当，可能导致命令注入攻击。

CVSS 9.8 · Critical EPSS 3.71% · P90

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-4163

Vulnerability Information
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Vulnerability Title
Wavlink WL-WN579A3 POST Request wireless.cgi GuestWifi command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in Wavlink WL-WN579A3 220323. This issue affects the function SetName/GuestWifi of the file /cgi-bin/wireless.cgi of the component POST Request Handler. Performing a manipulation results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading the affected component is recommended.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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-WN579A3 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WAVLINK WL-WN579A3是中国睿因（WAVLINK）公司的一款高性能双频无线网卡。 WAVLINK WL-WN579A3 220323版本存在命令注入漏洞，该漏洞源于对文件/cgi-bin/wireless.cgi中函数SetName/GuestWifi的参数操作不当，可能导致命令注入攻击。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Wavlink WL-WN579A3 220323 cpe:2.3:o:wavlink:wl-wn579a3_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-4163

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 8470 chars
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III. Intelligence Information for CVE-2026-4163

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Vendor Advisories for CVE-2026-4163 (3)

Other References for CVE-2026-4163 (2)

Other References for CVE-2026-4163 (1)

IV. Related Vulnerabilities

Same product: WL-WN579A3
Same vendor: Wavlink
Same weakness: CWE-77

V. Comments for CVE-2026-4163

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