CVE-2026-2530

Wavlink WL-WN579A3 wireless.cgi AddMac command injection

Published Feb 16, 2026 CVSS 4.0 · 5.3 Medium EPSS 9.0% KEV · Not listed
Description
A weakness has been identified in Wavlink WL-WN579A3 up to 20210219. This affects the function AddMac of the file /cgi-bin/wireless.cgi. This manipulation of the argument macAddr causes command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wavlink wl-wn579a3 Firmware
CPEs cpe:2.3:h:wavlink:wl-wn579a3:-:*:*:*:*:*:*:*
cpe:2.3:o:wavlink:wl-wn579a3_firmware:*:*:*:*:*:*:*:*
Vendors & Products Wavlink wl-wn579a3 Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Wavlink
Wavlink wl-wn579a3
Vendors & Products Wavlink
Wavlink wl-wn579a3
Type Values Removed Values Added
Description A weakness has been identified in Wavlink WL-WN579A3 up to 20210219. This affects the function AddMac of the file /cgi-bin/wireless.cgi. This manipulation of the argument macAddr causes command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Title Wavlink WL-WN579A3 wireless.cgi AddMac command injection
Weaknesses CWE-74
CWE-77
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Feb 23, 2026, 10:04 AM
Reserved
Feb 15, 2026, 9:01 AM
Status
Analyzed
Published
Feb 16, 2026, 4:15 AM
Modified
Jun 17, 2026, 10:31 AM