CVE-2026-6559— Wavlink WL-WN579A3 login.cgi sub_401F80 cross site scripting
Quick assessment
Affected
Wavlink WL-WN579A3
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-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版本存在安全漏洞，该漏洞源于对文件/cgi-bin/login.cgi中参数Hostname的操作，可能导致跨站脚本攻击。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-6559
Vulnerability Information
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Vulnerability Title
Wavlink WL-WN579A3 login.cgi sub_401F80 cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in Wavlink WL-WN579A3 220323. This affects the function sub_401F80 of the file /cgi-bin/login.cgi. This manipulation of the argument Hostname causes cross site scripting. Remote exploitation of the attack is possible. Upgrading the affected component is recommended. 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:N/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-WN579A3 安全漏洞
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版本存在安全漏洞，该漏洞源于对文件/cgi-bin/login.cgi中参数Hostname的操作，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-WN579A3 | 220323 |
cpe:2.3:o:wavlink:wl-wn579a3_firmware:*:*:*:*:*:*:*:*
|
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II. Public POCs for CVE-2026-6559
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-6559 (1)
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V. Comments for CVE-2026-6559
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