CVE-2026-4228 | THREATINT

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.

PUBLISHED Reserved 2026-03-15 | Published 2026-03-16 | Updated 2026-03-16 | Assigner VulDB

MEDIUM: 5.3CVSS: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

MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Command Injection

Injection

Product status

2.4.9

affected

Timeline

2026-03-15:	Advisory disclosed
2026-03-15:	VulDB entry created
2026-03-15:	VulDB entry last update

Credits

jfkk (VulDB User) reporter

VulDB coordinator

References

vuldb.com/?id.351151 (VDB-351151 | LB-LINK BL-WR9000 set_wifi sub_458754 command injection) vdb-entry technical-description

vuldb.com/?ctiid.351151 (VDB-351151 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.771210 (Submit #771210 | LB-LINK BL-WR9000 V2.4.9 Command Injection) third-party-advisory

github.com/...K/LB-LINK_wlanpswencry command injection_EN.md exploit

cve.org (CVE-2026-4228)

nvd.nist.gov (CVE-2026-4228)

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