CVE-2026-8191

Name: CVE-2026-8191
Creator: NVD / NIST
Published: 2026-05-09T19:16:09.093+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 5.34%

Last modified Jun 17, 2026

CVE-2026-8191 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. A vulnerability was identified in Wavlink NU516U1 M16U1_V240425. This affects the function wifi_region of the file /cgi-bin/adm.cgi. EPSS estimates a 5.34% chance of exploitation in the next 30 days.

Description

A vulnerability was identified in Wavlink NU516U1 M16U1_V240425. This affects the function wifi_region of the file /cgi-bin/adm.cgi. Such manipulation of the argument skiplist1/skiplist2 leads to os command injection. The attack can be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.

Metrics

CVSS 3.1

8.8/10

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

CVSS 4.0

2.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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

5.34%

91.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Wavlink	Wl-Nu516u1 Firmware	m16u1_v240425

References

https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_4/4.mdExploit, Third Party Advisory
https://vuldb.com/submit/800730Third Party Advisory, VDB Entry
https://vuldb.com/vuln/362343Third Party Advisory, VDB Entry
https://vuldb.com/vuln/362343/ctiPermissions Required, VDB Entry

Timeline

Published: May 9, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-8191?

How severe is CVE-2026-8191?

CVE-2026-8191 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 5.34% probability of exploitation in the next 30 days.

How do I fix CVE-2026-8191?

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-2026-8191?

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

Scan your code now

Source: NVD / NIST