In Modem, there is a possible information disclosure due to improper input validation. This could lead to remote information disclosure, 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: MOLY01811421; Issue ID: MSV-6788.

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Mediatek, Inc.
  • Mediatek Chipset

No data.

No data.

References
Link Providers
https://corp.mediatek.com/product-security-bulletin/July-2026 cve-icon
History

Wed, 08 Jul 2026 03:00:00 +0000

Type Values Removed Values Added
Title MediaTek Modem Firmware Information Disclosure via Rogue Base Station

Tue, 07 Jul 2026 09:45:00 +0000

Type Values Removed Values Added
Title MediaTek Modem Firmware Information Disclosure via Rogue Base Station

Mon, 06 Jul 2026 15:45:00 +0000

Type Values Removed Values Added
Title Modem Firmware Improper Input Validation Enables Remote Information Disclosure

Sun, 05 Jul 2026 22:30:00 +0000

Type Values Removed Values Added
Title Modem Firmware Improper Input Validation Enables Remote Information Disclosure

Sat, 04 Jul 2026 22:45:00 +0000

Type Values Removed Values Added
Title Modem Remote Information Disclosure via Rogue Base Station

Sat, 04 Jul 2026 11:30:00 +0000

Type Values Removed Values Added
Title Modem Remote Information Disclosure via Rogue Base Station

Fri, 03 Jul 2026 23:15:00 +0000

Type Values Removed Values Added
Title MediaTek Modem Firmware Remote Information Disclosure via Rogue Base Station

Fri, 03 Jul 2026 12:00:00 +0000

Type Values Removed Values Added
Title MediaTek Modem Firmware Remote Information Disclosure via Rogue Base Station

Fri, 03 Jul 2026 05:00:00 +0000

Type Values Removed Values Added
Title Remote Information Disclosure via Improper Input Validation in MediaTek Modem Firmware

Thu, 02 Jul 2026 22:15:00 +0000

Type Values Removed Values Added
Title Remote Information Disclosure via Improper Input Validation in MediaTek Modem Firmware

Thu, 02 Jul 2026 14:00:00 +0000

Type Values Removed Values Added
Title MediaTek Modem Remote Information Disclosure via Improper Input Validation

Thu, 02 Jul 2026 08:30:00 +0000

Type Values Removed Values Added
Title MediaTek Modem Remote Information Disclosure via Improper Input Validation

Thu, 02 Jul 2026 01:45:00 +0000

Type Values Removed Values Added
Title Improper Input Validation Enables Remote Information Disclosure in MediaTek Modem

Wed, 01 Jul 2026 22:00:00 +0000

Type Values Removed Values Added
Title Improper Input Validation Enables Remote Information Disclosure in MediaTek Modem

Wed, 01 Jul 2026 17:30:00 +0000

Type Values Removed Values Added
Title Modem Firmware Improper Input Validation Leading to Remote Information Disclosure

Wed, 01 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Vendors & Products Mediatek, Inc.
Mediatek, Inc. mediatek Chipset

Wed, 01 Jul 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 01 Jul 2026 09:15:00 +0000

Type Values Removed Values Added
Title Modem Firmware Improper Input Validation Leading to Remote Information Disclosure

Wed, 01 Jul 2026 03:30:00 +0000

Type Values Removed Values Added
Description In Modem, there is a possible information disclosure due to improper input validation. This could lead to remote information disclosure, 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: MOLY01811421; Issue ID: MSV-6788.
Weaknesses CWE-288
References
cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published: 2026-07-01T03:14:02.293Z

Updated: 2026-07-01T10:39:34.250Z

Reserved: 2025-11-03T01:30:59.014Z

Link: CVE-2026-20460

cve-icon Vulnrichment

Updated: 2026-07-01T10:37:12.253Z

cve-icon NVD

No data.

cve-icon Redhat

No data.