CVE-2026-3704Wavlink NU516U1 Incomplete Fix CVE-2025-10959 firewall.cgi sub_405B2C command injection
Updated under an hour ago ()
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It affects Wavlink NU516U1 and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 4.7 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-77, CWE-74
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Analyzed
- Record last updated
- Mar 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Wavlink NU516U1 wavlink:nu516u1 (from the name) | 251208 | CNA record |
wavlink wl-nu516u1_firmware wavlink:wl-nu516u1_firmware | 251208 | NVD |
References
- https://vuldb.com/?id.349650vdb-entry, technical-description, third-party-advisory
- https://vuldb.com/?ctiid.349650signature, permissions-required, vdb-entry
- https://vuldb.com/?submit.759233third-party-advisory, vdb-entry
- https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/wavlink_DMZ.mdrelated, exploit, third-party-advisory
- https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/wavlink_DMZ.md#expexploit, third-party-advisory
- https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-02-27-2fcf6ae-mt7628-squashfs-sysupgrade.binpatch, broken-link
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.