CVE-2026-40003

תיאור (מקור, אנגלית)

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.

מדדים

CVSS 3.1

6.8 (MEDIUM) מקור הציון: NVD CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-1/8/2026

CWE

CWE-787

מוצרים מושפעים

zte: zx297520v3 firmware; zte: zx297520v3

קישורים

• https://support.zte.com.cn/zte-iccp-isupport-webui/bulletin/detail/21444874151‮… Vendor Advisory