CVE-2026-3612

high · 7.3

A vulnerability was determined in Wavlink WL-NU516U1 V240425. This affects the function sub_405AF4 of the file /cgi-bin/adm.cgi of the component OTA Online Upgrade. This manipulation of the argument firmware_url causes command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.

7.3

CVSS

12.7%

EPSS (exploit prob.)

96th

EPSS percentile

2026-03-06

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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:X/V:X/RE:X/U:X

Weaknesses

CWE-74CWE-77

Affected products

Vendor	Product	Affected versions
wavlink	wl-nu516u1_firmware	m16u1_v240425
wavlink	wl-nu516u1	all versions

Check a specific version with /api/v1/cve/match.

References

https://github.com/Wlz1112/WAVLINK-NU516-V240425/blob/main/firmware_url.md
https://vuldb.com/?ctiid.349220
https://vuldb.com/?id.349220
https://vuldb.com/?submit.754668

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-3612