PT-2025-4153 · Mediatek · Mediatek Mt8863 Nr17+2

Published 2025-02-03 · Updated 2026-02-17 · CVE-2025-20634

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions MediaTek MT2737 and other products (affected versions not specified) MediaTek MT8863 NR16/NR17/NR17R Modem (affected versions not specified)

Description In the Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution, 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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2025-20634

Affected Products

Mediatek Mt2737

Mediatek Mt8863 Nr16

Mediatek Mt8863 Nr17

References · 11

• https://corp.mediatek.com/product-security-bulletin/February-2025 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-20634 · Security Note
• https://twitter.com/cracbot/status/1888181078910980381 · Twitter Post
• https://twitter.com/vuldb/status/1886295685991153685 · Twitter Post
• https://twitter.com/WolfgangSesin/status/1886307886244004276 · Twitter Post
• https://t.me/cveNotify/152175 · Telegram Post
• https://twitter.com/CVEnew/status/1886258622931595566 · Twitter Post
• https://t.me/cvedetector/17050 · Telegram Post
• https://twitter.com/CVETracker/status/1886505258471346587 · Twitter Post
• https://reddit.com/r/k12cybersecurity/comments/1ihj62l/msisac_cybersecurity_advisory_multiple · Reddit Post
• https://twitter.com/cracbot/status/1887736527486398558 · Twitter Post