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Vulnerabilities

CVE-2025-14859 | BDVDB-2026-325175 Detail

SemtechLR1110

Description#

The Semtech LR11xx LoRa transceivers implement secure boot functionality using digital signatures to authenticate firmware. However, the implementation uses a non-standard cryptographic hashing algorithm that is vulnerable to second preimage attacks. An attacker with physical access to the device can exploit this weakness to generate a malicious firmware image with a hash collision, bypassing the secure boot verification mechanism and installing arbitrary unauthorized firmware on the device.

Impact#

CAPEC-68 Subvert Code-signing

Weaknesses#

  • CWE-327 Use of a Broken or Risky Cryptographic Algorithm

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.