CVE-2025-20727

HIGH

MediaTek LR12A NR15 NR16 NR17 NR17R - Remote Escalation of Privilege via Heap Buffer Overflow

Title source: llm
STIX 2.1

Description

In Modem, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01672601; Issue ID: MSV-4623.

References (1)

Core 1

Scores

CVSS v3 8.1
EPSS 0.0018
EPSS Percentile 38.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-787
Status published
Products (5)
mediatek/lr12a
mediatek/nr15
mediatek/nr16
mediatek/nr17
mediatek/nr17r
Published Nov 04, 2025
Tracked Since Feb 18, 2026