CVE-2025-10963: wl-nu516u1 Injection — Exploit

Description

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.

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CVSS v3.1 Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-74 CWE-74

CWE-77 CWE-77

Affected Products

Vendor	Product	Versions
wavlink	wl-nu516u1_firmware	All
wavlink	wl-nu516u1	All

References

Exploits

https://github.com/panda666-888/vuls/blob/main/wavlink/nu516u1/singlePortForwardDelete.md https://github.com/panda666-888/vuls/blob/main/wavlink/nu516u1/singlePortForwardDelete.md#poc

Other References

https://vuldb.com/?ctiid.325831 https://vuldb.com/?id.325831 https://vuldb.com/?submit.652784

Frequently Asked Questions

What is CVE-2025-10963? +

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. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2025-10963? +

CVE-2025-10963 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-10963? +

CVE-2025-10963 affects products from wavlink, specifically: wl-nu516u1, wl-nu516u1_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-10963? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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