PT-2025-44966 · Huawei · Huawei Modem

Published 2025-11-04 · Updated 2026-02-04 · CVE-2025-20727

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

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

Description A heap buffer overflow exists in the Modem software that could lead to remote escalation of privilege. An attacker could exploit this by controlling a rogue base station to which a User Equipment (UE) connects. No additional execution privileges are required, and 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.

LPE

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2025-20727

Affected Products

Huawei Modem

References · 5

• https://corp.mediatek.com/product-security-bulletin/November-2025 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-20727 · Security Note
• https://t.me/cveNotify/141506 · Telegram Post
• https://t.me/CVEtracker/36482 · Telegram Post
• https://t.me/cveNotify/150858 · Telegram Post