CVE-2026-4227

LB-LINK BL-WR9000 get_hidessid_cfg sub_44D844 buffer overflow

HIGH
7.5
CVSS Score
Published: March 16, 2026 at 08:02 AM UTC
Updated: June 17, 2026 at 10:56 AM UTC
2 products affected across 1 vendorBl WR9000 FirmwareBL-WR9000

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Severity
HIGH7.5
Exploit prediction
EPSS 0.7%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.351150
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.351150
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.771209

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120CWE-119CWE-125

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