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Vulnerability record · CVE-2026-2526 · published 16 February 2026

CVE-2026-2526: Wavlink wl-wn579a3 firmware injection vulnerability

Wavlink · Wl Wn579a3 Firmware

A vulnerability was found in Wavlink WL-WN579A3 up to 20210219. This impacts the function multi_ssid of the file /cgi-bin/wireless.cgi. Performing a manipulation of the argument SSID2G2 results in command injection. The attack may be initiated 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.

2.1 CVSS 4.0 Low EPSS 8.2% · top 5.3% CWE-74 · InjectionCWE-77 · Command injection
2.1CVSS 4.0 base score, v2 6.5
8.2%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 found in Wavlink WL-WN579A3 up to 20210219. This impacts the function multi_ssid of the file /cgi-bin/wireless.cgi. Performing a manipulation of the argument SSID2G2 results in command injection. The attack may be initiated 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.

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/multi_ssid.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.346114 Permissions RequiredVDB Entry
https://vuldb.com/?id.346114 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.748073 Third Party AdvisoryVDB Entry

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Related vulnerabilities

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

9.8CVE-2025-44880Wavlink wl-wn579a3 firmware os command injection vulnerabilityA command injection vulnerability in the component /cgi-bin/adm.cgi of Wavlink WL-WN579A3 v1.0 allows attackers to execute arbitrary commands via a c…EPSS 1.8%9.8CVE-2025-44882Wavlink wl-wn579a3 firmware os command injection vulnerabilityA command injection vulnerability in the component /cgi-bin/firewall.cgi of Wavlink WL-WN579A3 v1.0 allows attackers to execute arbitrary commands vi…EPSS 1.8%9.8CVE-2025-44881Wavlink wl-wn579a3 firmware code injection vulnerabilityA command injection vulnerability in the component /cgi-bin/qos.cgi of Wavlink WL-WN579A3 v1.0 allows attackers to execute arbitrary commands via a c…EPSS 1.8%5.3CVE-2026-2529Wavlink wl-wn579a3 firmware injection vulnerabilityA security flaw has been discovered in Wavlink WL-WN579A3 up to 20210219. Affected by this issue is the function DeleteMac of the file /cgi-bin/wirel…EPSS 8.5%2.1CVE-2026-2530Wavlink wl-wn579a3 firmware injection vulnerabilityA weakness has been identified in Wavlink WL-WN579A3 up to 20210219. This affects the function AddMac of the file /cgi-bin/wireless.cgi. This manipul…EPSS 8.2%2.1CVE-2026-2527Wavlink wl-wn579a3 firmware injection vulnerabilityA vulnerability was determined in Wavlink WL-WN579A3 up to 20210219. Affected is an unknown function of the file /cgi-bin/login.cgi. Executing a mani…EPSS 8.5%2.1CVE-2026-2528Wavlink wl-wn579a3 firmware injection vulnerabilityA vulnerability was identified in Wavlink WL-WN579A3 up to 20210219. Affected by this vulnerability is the function Delete_Mac_list of the file /cgi-…EPSS 8.2%10.0CVE-2025-20337Cisco ISE API input validation flaw allows unauthenticated root RCECisco ISE and ISE-PIC fail to properly validate user-supplied input in a specific API, letting an unauthenticated remote attacker execute arbitrary c…KEVEPSS 68%analysed

Source: NIST National Vulnerability Database (record CVE-2026-2526), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.