Due to incorrect behavior order a low privileged remote attacker could trigger account inconsistent state via crafted input and overwrites existing user passwords which could result in complete administrative unavailability of the device.
Exploitability
AV:NAC:LPR:LUI:NScope
S:UImpact
C:NI:HA:H8.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HOther