CVE-2026-4226

Katalog CVE

CVSS 9.8 · Critical EPSS 1,2%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada lb-link bl-wr9000 firmware. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

A weakness has been identified in LB-LINK BL-WR9000 2.4.9. The affected element is the function sub_44E8D0 of the file /goform/get_virtual_cfg. Executing a manipulation can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Rincian

Terbit di NVD

16 Maret 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121: Stack-based Buffer Overflow
CWE-787: Out-of-bounds Write

EPSS (30 hari)

1,2% peluang dieksploitasi; lebih tinggi dari 66,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/glkfc/IoT-Vulnerability/blob/main/LB-LINK/LB-LINK_VirtualRules%20stack%20overflow_EN.md exploit · advisory pihak ketiga
• https://vuldb.com/?id.351149 advisory pihak ketiga · vdb entry
• https://vuldb.com/?submit.771207 advisory pihak ketiga · vdb entry
• https://vuldb.com/?ctiid.351149 permissions required · vdb entry