CVE-2026-4228

Name: CVE-2026-4228
Creator: NVD / NIST
Published: 2026-03-16T14:20:16.03+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 5.17%

Last modified Jun 17, 2026

CVE-2026-4228 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. A vulnerability was detected in LB-LINK BL-WR9000 2.4.9. This affects the function sub_458754 of the file /goform/set_wifi. EPSS estimates a 5.17% chance of exploitation in the next 30 days.

Description

A vulnerability was detected in LB-LINK BL-WR9000 2.4.9. This affects the function sub_458754 of the file /goform/set_wifi. The manipulation results in command injection. It is possible to launch the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/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

5.17%

91.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Lb-Link	Bl-Wr9000 Firmware	2.4.9

References

https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_wlanpswencry%20command%20injection_EN.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.351151Permissions Required, VDB Entry
https://vuldb.com/?id.351151Third Party Advisory, VDB Entry
https://vuldb.com/?submit.771210Third Party Advisory, VDB Entry

Timeline

Published: Mar 16, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-4228?

How severe is CVE-2026-4228?

CVE-2026-4228 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 5.17% probability of exploitation in the next 30 days.

How do I fix CVE-2026-4228?

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-2026-4228?

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

Scan your code now

Source: NVD / NIST