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CVE-2026-4544

Wavlink WL-WN578W2 POST Request login.cgi cross site scripting

MEDIUM
4.8
CVSS Score
Published: March 22, 2026 at 09:58 AM UTC
Updated: June 17, 2026 at 10:56 AM UTC
1 product affected across 1 vendorWl WN578W2 Firmware

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Wl WN578W2 Firmware· Wavlink
95%
221110
wavlink-wl-wn578w2 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.352361
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.352361
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.774692
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.774693
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.774696
RelatedExploitThird Party Advisory
Source: cverecord
https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_6/README.md
ExploitThird Party Advisory
Source: cverecord
https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_7/README.md

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.8MEDIUMVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79CWE-94

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