CVE-2026-2530 | THREATINT

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.

PUBLISHED Reserved 2026-02-15 | Published 2026-02-16 | Updated 2026-02-23 | Assigner VulDB

MEDIUM: 5.3CVSS: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

MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Command Injection

Injection

Product status

20210219

affected

Timeline

2026-02-15:	Advisory disclosed
2026-02-15:	VulDB entry created
2026-02-20:	VulDB entry last update

Credits

kdb3169 (VulDB User) reporter

References

vuldb.com/?id.346118 (VDB-346118 | Wavlink WL-WN579A3 wireless.cgi AddMac command injection) vdb-entry technical-description

vuldb.com/?ctiid.346118 (VDB-346118 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.748077 (Submit #748077 | Wavlink WN579A3 20210219 Command Injection) third-party-advisory

github.com/...a/IoT-Vuls/blob/main/wavlink/wn579a3/AddMac.md exploit

cve.org (CVE-2026-2530)

nvd.nist.gov (CVE-2026-2530)

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