Medium 6.3Published Sep 25, 2025

CVE-2025-10963Wavlink NU516U1 firewall.cgi sub_4016F0 command injection

Updated under an hour ago (Oct 28, 2026, 4:00 AM ET)

Does this affect you?

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.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Wavlink NU516U1

Exploited in the last 30 days

A security flaw has been discovered in Wavlink NU516U1 M16U1_V240425. Affected is the function sub_4016F0 of the file /cgi-bin/firewall.cgi. The manipulation of the argument del_flag results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS: 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
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: Sep 25, 2025
First seen by InfoSec Signals: Oct 11, 2026

Affected products

Affected products

Wavlink NU516U1 wavlink:nu516u1 (from the name)	M16U1_V240425	CNA record
wavlink wl-nu516u1_firmware wavlink:wl-nu516u1_firmware	m16u1_v240425	NVD

References

References

https://vuldb.com/?id.325831	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.325831	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.652784	third-party-advisory, vdb-entry
https://github.com/panda666-888/vuls/blob/main/wavlink/nu516u1/singlePortForwardDelete.md	related, exploit, third-party-advisory
https://github.com/panda666-888/vuls/blob/main/wavlink/nu516u1/singlePortForwardDelete.md#poc	exploit, third-party-advisory

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.