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CVE-2026-4544— Wavlink WL-WN578W2 POST Request login.cgi cross site scripting

Quick assessment

Affected
Wavlink WL-WN578W2
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-WN578W2是中国睿因（Wavlink）公司的一款无线中继器。 Wavlink WL-WN578W2 221110版本存在代码注入漏洞，该漏洞源于对POST请求处理组件中文件/cgi-bin/login.cgi的参数homepage/hostname/login_page的错误操作，可能导致跨站脚本攻击。

CVSS 2.4 · Low EPSS 0.26% · P18
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I. Basic Information for CVE-2026-4544

Vulnerability Information
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Vulnerability Title
Wavlink WL-WN578W2 POST Request login.cgi cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in Wavlink WL-WN578W2 221110. This affects an unknown function of the file /cgi-bin/login.cgi of the component POST Request Handler. Executing a manipulation of the argument homepage/hostname/login_page can lead to cross site scripting. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Wavlink WL-WN578W2 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wavlink WL-WN578W2是中国睿因（Wavlink）公司的一款无线中继器。 Wavlink WL-WN578W2 221110版本存在代码注入漏洞，该漏洞源于对POST请求处理组件中文件/cgi-bin/login.cgi的参数homepage/hostname/login_page的错误操作，可能导致跨站脚本攻击。
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-WN578W2 221110 cpe:2.3:o:wavlink:wl-wn578w2_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-4544

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III. Intelligence Information for CVE-2026-4544

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Vendor Advisories for CVE-2026-4544 (4)

Other References for CVE-2026-4544 (2)

IV. Related Vulnerabilities

Same product: WL-WN578W2
Same vendor: Wavlink
Same weakness: CWE-79

V. Comments for CVE-2026-4544

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