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CVE-2026-4227

LB-LINK BL-WR9000 get_hidessid_cfg sub_44D844 buffer overflow

Published: Mar 16, 2026Updated: Mar 20, 2026 Sources: CVE List NVD BDUCWE-119
8.8HIGH
NVD MITRE
EPSS Score
0.7%
Top 52.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-119CWE-120CWE-125

Affected Products

LB-LINK
commercial
BL-WR9000Embedded
Networking Infrastructure / router-switch
bl-wr9000 firmwareEmbedded
Networking Infrastructure / router-switch
Shenzhen Bilian Electronics Co., Ltd.
commercial·CN
LB-LINK BL-WR9000On-premNetwork Device
Networking Infrastructure / router-switch

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

3 techniques
Collection
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://vuldb.com/?id.351150
vuldb.com
https://vuldb.com/?ctiid.351150
vuldb.com
https://vuldb.com/?submit.771209
vuldb.com
and 1 more references View all →

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