6.8

CVE-2026-40003

USB-based arbitrary memory write vulnerability in ZTE ZX297520V3 soc BootROM

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Zte ≫ Zx297520v3 Firmware Version-
   Zte ≫ Zx297520v3 Version-
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.03% 0.073
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.8 0.9 5.9
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
psirt@zte.com.cn 5.1 0.4 4.7
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.