CVE-2026-40003 (GCVE-0-2026-40003)
Vulnerability from cvelistv5
Published
2026-05-07 01:15
Modified
2026-05-19 17:18
CWE
Summary
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.
Impacted products
Vendor Product Version
ZTE ZX297520V3 BootROM Version: 7520V3 chip
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Show details on NVD website


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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