PT-2025-35450 · Modem · Modem

Published 2025-09-01 · Updated 2026-02-17 · CVE-2025-20704

Positive Technologies (AI Summary)

CVSS v3.1

8.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Modem (affected versions not specified)

Description A missing bounds check can lead to an out-of-bounds write issue. Successful exploitation of this issue may allow a remote attacker to escalate privileges on a User Equipment (UE) that has connected to a rogue base station controlled by the attacker. User interaction is required for exploitation.

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

LPE

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2025-20704

Affected Products

Modem

References · 7

• https://corp.mediatek.com/product-security-bulletin/September-2025 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-20704 · Security Note
• https://twitter.com/CVEnew/status/1962388969997443472 · Twitter Post
• https://t.me/cveNotify/152184 · Telegram Post
• https://t.me/CVEtracker/31399 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1962424716070621527 · Twitter Post
• https://t.me/cveNotify/134021 · Telegram Post