CVE-2025-14859 Semtech LR11xx Secure Boot Bypass

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...

PT-2026-30996

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...

# Only part of keccak256() is used as hash, making it susceptible to collision attacks

Lines of code Vulnerability details At 2 places in the code only part of the output of keccak256 is used as the hash: At TokenDistributor - DistributionState.distributionHash15 - uses only a 15 bytes as a hash This one is intended to save storage At Crowdfund.governanceOptsHash a 16 bytes is used...