CVE-2026-3612

7.3 highEPSS 13%

High (7.3) in wavlink wl-nu516u1 firmware. EPSS 13% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

7.3 high

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

CVSS 3.1

7.2 high

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 13% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)
CWEs: CWE-74, CWE-77
Published: 2026-03-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

wavlink:wl-nu516u1_firmware

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

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