CVE-2026-2530
A weakness has been identified in Wavlink WL-WN579A3 up to 20210219.
Does this matter?
Lower severity and a low EPSS score (9.16%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 2.1 LOWCVSS: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/M
- EPSS
- 9.16% probability · 95th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-74, CWE-77
- Affected
- wavlink/wl-wn579a3 firmware
- Source
- cna@vuldb.com
EPSS 9.2% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/MRAdera/IoT-Vuls/blob/main/wavlink/wn579a3/AddMac.mdExploit, Third Party Advisory
- https://vuldb.com/?ctiid.346118Permissions Required, VDB Entry
- https://vuldb.com/?id.346118Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.748077Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.