CVE-2025-20725

HIGH

MediaTek LR12A NR15 NR16 - Out-of-bounds Write in IMS Service

Title source: llm

Description

In ims service, there is a possible out of bounds write due to a missing bounds check. 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: MOLY01671924; Issue ID: MSV-4620.

References (1)

Core 1

Core References

Vendor Advisory

https://corp.mediatek.com/product-security-bulletin/November-2025

Scores

CVSS v3 7.5

EPSS 0.0022

EPSS Percentile 44.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:L/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 (3)

mediatek/lr12a

mediatek/nr15

mediatek/nr16

Published Nov 04, 2025

Tracked Since Feb 18, 2026