CVE-2026-4228 is a critical command injection vulnerability affecting LB-LINK BL-WR9000 devices running firmware version 2.4.9, specifically within the /goform/set_wifi function. This vulnerability carries a CVSS score of 9.8 (CRITICAL) due to its remote exploitability, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While not currently listed on the KEV catalog, the exploit code is publicly available, increasing the immediate risk of exploitation. The vendor has not responded to disclosure efforts, and there is currently minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.4.9CPE matchmatch criteria | cpe:2.3:o:lb-link:bl-wr9000_firmware:2.4.9:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.