Home

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.

PUBLISHED Reserved 2026-03-07 | Published 2026-03-08 | Updated 2026-03-08 | Assigner VulDB




MEDIUM: 5.1CVSS: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
MEDIUM: 4.7CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
MEDIUM: 4.7CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
5.8AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Command Injection

Injection

Product status

251208
affected

Timeline

2026-03-07:Advisory disclosed
2026-03-07:VulDB entry created
2026-03-07:VulDB entry last update

Credits

haimianbaobao (VulDB User) reporter

VulDB coordinator

References

vuldb.com/?id.349650 (VDB-349650 | Wavlink NU516U1 Incomplete Fix CVE-2025-10959 firewall.cgi sub_405B2C command injection) vdb-entry technical-description

vuldb.com/?ctiid.349650 (VDB-349650 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.759233 (Submit #759233 | Wavlink NU516U1 V251208 Command Injection) third-party-advisory

github.com/...link-NU516U1-V251208-/blob/main/wavlink_DMZ.md related

github.com/...link-NU516U1-V251208-/blob/main/wavlink_DMZ.md exploit

dl.wavlink.com/...-27-2fcf6ae-mt7628-squashfs-sysupgrade.bin patch

cve.org (CVE-2026-3704)

nvd.nist.gov (CVE-2026-3704)

Download JSON