An issue was discovered in Alcatel-Lucent ALE NOE deskphones through 86x8_NOE-R300.1.40.12.4180 and SIP deskphones through 86x8_SIP-R200.1.01.10.728. Because of a time-of-check time-of-use vulnerability, an authenticated attacker is able to replace the verified firmware image with malicious firmware during the update process.
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition