CVE-2026-3612
A vulnerability was determined in Wavlink WL-NU516U1 V240425.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 13.2%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 4.0
- 7.3 HIGHCVSS: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/M
- EPSS
- 13.16% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-74, CWE-77
- Affected
- wavlink/wl-nu516u1 firmware
- Source
- cna@vuldb.com
EPSS moved from 10.0% on 24 September 2026 to 13.2% on 30 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://github.com/Wlz1112/WAVLINK-NU516-V240425/blob/main/firmware_url.mdExploit, Third Party Advisory
- https://vuldb.com/?ctiid.349220Permissions Required, VDB Entry
- https://vuldb.com/?id.349220Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.754668Third 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.