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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.

PUBLISHED Reserved 2026-03-21 | Published 2026-03-22 | Updated 2026-03-23 | Assigner VulDB




MEDIUM: 4.8CVSS: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
LOW: 2.4CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
LOW: 2.4CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
3.3AV:N/AC:L/Au:M/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

Problem types

Cross Site Scripting

Code Injection

Product status

221110
affected

Timeline

2026-03-21:Advisory disclosed
2026-03-21:VulDB entry created
2026-03-21:VulDB entry last update

Credits

LtzHuster (VulDB User) reporter

VulDB coordinator

References

vuldb.com/?id.352361 (VDB-352361 | Wavlink WL-WN578W2 POST Request login.cgi cross site scripting) vdb-entry technical-description

vuldb.com/?ctiid.352361 (VDB-352361 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.774692 (Submit #774692 | Wavlink WL-WN578W2 V221110 Cross Site Scripting) third-party-advisory

vuldb.com/?submit.774693 (Submit #774693 | Wavlink WL-WN578W2 V221110 Cross Site Scripting (Duplicate)) third-party-advisory

vuldb.com/?submit.774696 (Submit #774696 | Wavlink WL-WN578W2 V221110 Cross Site Scripting (Duplicate)) third-party-advisory

github.com/...ng/vul_db/blob/main/WL-WN578W2/vul_6/README.md related

github.com/...ng/vul_db/blob/main/WL-WN578W2/vul_7/README.md exploit

cve.org (CVE-2026-4544)

nvd.nist.gov (CVE-2026-4544)

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