Status: NEW | Advisory ID: CVE-2025-14859
| CVE | CVE-2025-14859 |
| CVSS Score / Version | 7.0 (High) / CVSS v4.0 |
| Updated | 2026-07-24 |
| Classified as | CWE-327 (Use of a Broken or Risky Cryptographic Algorithm) |
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. (NVD)
| Source | Reference |
|---|---|
| NVD | https://nvd.nist.gov/vuln/detail/CVE-2025-14859 |
| CVE | https://www.cve.org/CVERecord?id=CVE-2025-14859 |