CVE-2026-3661
Wavlink WL-NU516U1 adm.cgi ota_new_upgrade command injection
- State
- Published
- Severity
- 5.1 Medium
- Published
- Mar 7, 2026
- Updated
- Mar 11, 2026
- Reserved
- Mar 6, 2026
Description
A flaw has been found in Wavlink WL-NU516U1 240425. This affects the function ota_new_upgrade of the file /cgi-bin/adm.cgi. This manipulation of the argument model causes command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 4.7 Medium | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 4.7 Medium | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.8 Medium | AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
WL-NU516U1Wavlink |
|
References
- VDB-349550 | Wavlink WL-NU516U1 adm.cgi ota_new_upgrade command injectionvdb-entrytechnical-description
- VDB-349550 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #758227 | wavlink WL-NU516U1-A M16U1_V240425 Command Injectionthird-party-advisory
- https://github.com/jinhao118/cve/blob/main/WAVLINK_1.mdexploit
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