CVE-2026-3704
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-02-27-2fcf6ae-mt7628-squashfs-sysupgrade.bin
- https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/wavlink_DMZ.md
- https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/wavlink_DMZ.md#exp
- https://vuldb.com/?ctiid.349650
- https://vuldb.com/?id.349650
- https://vuldb.com/?submit.759233
CWEs
CWE-74 CWE-77
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.