VULNERABILITY INTELLIGENCE

CVE-2021-25477

CVSS score4.4 MEDIUM

EPSS probability0.50%

CISA KEVNot currently listed

Published2021-10-06

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

Description

An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service.