CVE-2026-40003

MEDIUM

5.1

Description

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.

Details CVE

Score CVSS v3.15.1

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L

Vecteur d'attaquePHYSICAL

ComplexiteHIGH

Privileges requisNONE

Interaction utilisateurREQUIRED

Publie5/7/2026

Derniere modification5/13/2026

Sourcenvd

Observations honeypot0

Produits affectes

zte:zx297520v3zte:zx297520v3_firmware

Faiblesses (CWE)

CWE-787

References

https://support.zte.com.cn/zte-iccp-isupport-webui/bulletin/detail/2144487415169560645(psirt@zte.com.cn)

Correlations IOC

Aucune correlation enregistree

This product uses data from the NVD API but is not endorsed or certified by the NVD.