CVE-2026-40003

Katalog CVE

CVSS 6.8 · Medium EPSS 0,25%

Kerentanan Out-of-bounds Write pada zte zx297520v3 firmware. Skor CVSS 3.1 6.8 (Medium) menurut NVD.

Deskripsi (NVD)

ZTE ZX297520V3 BootROM contains a vulnerability that allows arbitrary memory writes via USB. Attackers can exploit the lack of target address validation in the USB download mode to write data to any location in BootROM runtime memory, thereby overwriting the stack, hijacking the execution flow, bypassing the Secure Boot signature verification mechanism, and achieving unauthorized code execution.

Rincian

Terbit di NVD

7 Mei 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

0,25% peluang dieksploitasi; lebih tinggi dari 15,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://support.zte.com.cn/zte-iccp-isupport-webui/bulletin/detail/2144487415169560645 advisory vendor