Wavlink WL-WN579A3 login.cgi sub_401F80 cross site scripting_CVE-2026-6559

5.3 / 10

MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X

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.

Basic Information

ID CVE-2026-6559

Source VulDB

Published Apr 19, 2026 at 05:15

Affected Product

Vendor Wavlink

Product WL-WN579A3

Version 220323

Affected Versions Wavlink WL-WN579A3 220323

CWE Classification

CWE-79 CWE-94

References

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    "lastseen": "",
    "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.",
    "published": "2026-04-19T05:15:15.503Z",
    "modified": "2026-04-19T05:15:15.503Z",
    "type": "cve",
    "title": "Wavlink WL-WN579A3 login.cgi sub_401F80 cross site scripting",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/358196\nhttps://vuldb.com/vuln/358196/cti\nhttps://vuldb.com/submit/785303\nhttps://github.com/Litengzheng/vul_db/blob/main/WL-WN579A3/vul_16/README.md\nhttps://dl.wavlink.com/firmware/RD/WINSTAR_WN579A3-A-2026-03-10-94f93d4-WO-mt7628-squashfs-sysupgrade.bin",
    "id": "CVE-2026-6559",
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    "cwe": [
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    "cvelist": null,
    "sourceData": "Wavlink WL-WN579A3 220323",
    "sourceHref": "",
    "cvss": {
        "score": 5.3,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X",
        "version": "4.0"
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        "cvssV3": {
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}