PT-2026-25637 · Lb Link · Bl-Wr9000

Jfkk + 1 · Published 2026-03-16 · Updated 2026-03-16 · CVE-2026-4227

Mitre

CVSS v3.1

8.8

8.8

High

Base vector

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

A security vulnerability has been detected in LB-LINK BL-WR9000 2.4.9. The impacted element is the function sub 44D844 of the file /goform/get hidessid cfg. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

CWE-120

Related Identifiers

CVE-2026-4227

Affected Products

Bl-Wr9000

References · 9

• 🔥 https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_HideSSID%20stack%20overflow_EN.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-4227 · Security Note
• https://vuldb.com/?id.351150 · Note
• https://twitter.com/vuldb/status/2033513904773742908 · Twitter Post
• https://vuldb.com/?submit.771209 · Note
• https://vuldb.com/?ctiid.351150 · Note
• https://twitter.com/CVEnew/status/2033583687737217078 · Twitter Post
• https://twitter.com/TheHackerWire/status/2033559124274004386 · Twitter Post
• https://twitter.com/CveFindCom/status/2033585240837406746 · Twitter Post