CVE-2026-2527: Wavlink WL-WN579A3 login.cgi command injection

Published Feb 16, 2026
·
Updated

A vulnerability was determined in Wavlink WL-WN579A3 up to 20210219. Affected is an unknown function of the file /cgi-bin/login.cgi. Executing a manipulation of the argument key can lead to command injection. The attack may be launched 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 Software

3 affected components
Wavlink WL-WN579A3<=20210219
All of the following
Wavlink Wl-wn579a3 Firmware<=2021-02-19
Wavlink WL-WN579A3

Event History

Feb 16, 2026
CVE Published
via MITRE·01:32 AM
Data Sourced
via MITRE·01:32 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:16 AM
DescriptionSeverityWeaknessAffected Software
Feb 10, 58115
Event
via FIRST·12:47 AM
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Frequently Asked Questions

1

What is the severity of CVE-2026-2527?

CVE-2026-2527 has a high severity level due to its potential for remote command injection.

2

How do I fix CVE-2026-2527?

To fix CVE-2026-2527, update the Wavlink WL-WN579A3 to a version later than 20210219.

3

What types of attacks can be executed via CVE-2026-2527?

CVE-2026-2527 allows for remote command injection attacks through manipulation of the key argument.

4

Which devices are affected by CVE-2026-2527?

The vulnerability CVE-2026-2527 affects the Wavlink WL-WN579A3 router up to version 20210219.

5

Can CVE-2026-2527 be exploited remotely?

Yes, CVE-2026-2527 can be exploited remotely, making it a critical security concern.

Contact

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