Critical severity · published Feb 16, 2026
CVE-2026-2529
Wavlink WL-WN579A3 wireless.cgi DeleteMac command injection
9.8
CVSS
9.4%
EPSS
No
On KEV
Description
A 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/wireless.cgi. The manipulation of the argument delete_list results in command injection. The attack can be executed remotely. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)9.4% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WL
WL-WN579A3 · Wavlink
20210219 · source: vendor
WF
Wl-wn579a3 Firmware · Wavlink
through 2021-02-19 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2529
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2529
Exploit
https://github.com/MRAdera/IoT-Vuls/blob/main/wavlink/wn579a3/DeleteMac.md
Permissions Required
https://vuldb.com/?ctiid.346117
Third Party Advisory
https://vuldb.com/?id.346117
Third Party Advisory
https://vuldb.com/?submit.748076
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