CVE-2026-4227

HIGH EPSS 47.1%
Published Mar 16, 20263mo ago · Modified Jun 17, 20261w ago
7.4 CVSS 4.0
High
Find Similar
Published Mar 16, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
7.4
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
47.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 3

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-120
CWE-125 Out-of-bounds Read Memory Safety

Affected Products 2

VendorProductVersionRange
lb-linkbl-wr9000_firmware2.4.9any
lb-linkbl-wr9000*any

References 4

  • github.com https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_HideSSID%20stack%20overflow_EN.md
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.351150
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.351150
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.771209
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.