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Vulnerability record · CVE-2026-2527 · published 16 February 2026

CVE-2026-2527: Wavlink wl-wn579a3 firmware injection vulnerability

Wavlink · Wl Wn579a3 Firmware

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.

2.1 CVSS 4.0 Low EPSS 8.5% · top 5.2% CWE-74 · InjectionCWE-77 · Command injection
2.1CVSS 4.0 base score, v2 6.5
8.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/MRAdera/IoT-Vuls/blob/main/wavlink/wn579a3/login.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.346115 Permissions RequiredVDB Entry
https://vuldb.com/?id.346115 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.748074 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-2527), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.