CVE-2026-2615

Name: CVE-2026-2615
Creator: NVD / NIST
Published: 2026-02-17T13:16:17.113+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 10.31%

Last modified Jun 17, 2026

CVE-2026-2615 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. A flaw has been found in Wavlink WL-NU516U1 up to 20251208. The affected element is the function singlePortForwardDelete of the file /cgi-bin/firewall.cgi. EPSS estimates a 10.31% chance of exploitation in the next 30 days.

Description

A flaw has been found in Wavlink WL-NU516U1 up to 20251208. The affected element is the function singlePortForwardDelete of the file /cgi-bin/firewall.cgi. Executing a manipulation of the argument del_flag can lead to command injection. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1

7.2/10

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

CVSS 4.0

7.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

10.31%

95.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Wavlink	Wl-Nu516u1 Firmware	<= 2025-12-08

References

https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.mdExploit, Third Party Advisory
https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/singlePortForwardDelete.md#expExploit
https://vuldb.com/?ctiid.346265Permissions Required, VDB Entry
https://vuldb.com/?id.346265Third Party Advisory, VDB Entry
https://vuldb.com/?submit.751047Third Party Advisory, VDB Entry

Timeline

Published: Feb 17, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-2615?

How severe is CVE-2026-2615?

CVE-2026-2615 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 10.31% probability of exploitation in the next 30 days.

How do I fix CVE-2026-2615?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-2615?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST