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CVE-2026-4543

MEDIUM

6.3

Description

A vulnerability was found in Wavlink WL-WN578W2 221110. The impacted element is an unknown function of the file /cgi-bin/firewall.cgi of the component POST Request Handler. Performing a manipulation of the argument dmz_flag/del_flag results in command injection. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVE Details

CVSS v3.1 Score6.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/22/2026

Last Modified3/23/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-74CWE-77

References

https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_4/README.md(cna@vuldb.com)

https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_5/README.md(cna@vuldb.com)

https://vuldb.com/?ctiid.352360(cna@vuldb.com)

https://vuldb.com/?id.352360(cna@vuldb.com)

https://vuldb.com/?submit.774690(cna@vuldb.com)

https://vuldb.com/?submit.774691(cna@vuldb.com)

IOC Correlations

No correlations recorded

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