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Vulnerability record · CVE-2026-4544 · published 22 March 2026

CVE-2026-4544: Wavlink wl-wn578w2 firmware cross-site scripting vulnerability

Wavlink · Wl Wn578w2 Firmware

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.

1.9 CVSS 4.0 Low EPSS 0.42% · top 66.7% CWE-79 · Cross-site scriptingCWE-94 · Code injection
1.9CVSS 4.0 base score, v2 3.3
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
7References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_6/README.md ExploitThird Party Advisory
https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_7/README.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.352361 Permissions RequiredVDB Entry
https://vuldb.com/?id.352361 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.774692 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.774693 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.774696 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-4544), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.