Vulnerability Description
A vulnerability has been found in Wavlink NU516U1 251208. This vulnerability affects the function sub_405B2C of the file /cgi-bin/firewall.cgi of the component Incomplete Fix CVE-2025-10959. The manipulation leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wavlink | Wl-Nu516U1 Firmware | 251208 |
| Wavlink | Wl-Nu516U1 | - |
Related Weaknesses (CWE)
References
- https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-02-27-2fcf6ae-mt762Broken Link
- https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/wavlink_DMZ.mdExploitThird Party Advisory
- https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/wavlink_DMZ.md#expExploitThird Party Advisory
- https://vuldb.com/?ctiid.349650Permissions RequiredVDB Entry
- https://vuldb.com/?id.349650Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.759233Third Party AdvisoryVDB Entry
FAQ
What is CVE-2026-3704?
CVE-2026-3704 is a vulnerability with a CVSS score of 4.7 (MEDIUM). A vulnerability has been found in Wavlink NU516U1 251208. This vulnerability affects the function sub_405B2C of the file /cgi-bin/firewall.cgi of the component Incomplete Fix CVE-2025-10959. The manip...
How severe is CVE-2026-3704?
CVE-2026-3704 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-3704?
Check the references section above for vendor advisories and patch information. Affected products include: Wavlink Wl-Nu516U1 Firmware, Wavlink Wl-Nu516U1.