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CVE-2026-6559

MEDIUM

4.3

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.

CVE Details

CVSS v3.1 Score4.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published4/19/2026

Last Modified4/22/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-79CWE-94

References

https://dl.wavlink.com/firmware/RD/WINSTAR_WN579A3-A-2026-03-10-94f93d4-WO-mt7628-squashfs-sysupgrade.bin(cna@vuldb.com)

https://github.com/Litengzheng/vul_db/blob/main/WL-WN579A3/vul_16/README.md(cna@vuldb.com)

https://vuldb.com/submit/785303(cna@vuldb.com)

https://vuldb.com/vuln/358196(cna@vuldb.com)

https://vuldb.com/vuln/358196/cti(cna@vuldb.com)

IOC Correlations

No correlations recorded

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