Description
In Modem, there is a possible out of bounds read due to a missing bounds check. This could lead to remote denial of service, 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: MOLY01876664; Issue ID: MSV-9834.
Published: 2026-11-02
Score: 5.3 Medium
EPSS: n/a
KEV: No
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Remediation

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Advisories

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History

Mon, 02 Nov 2026 17:30:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Read in MediaTek Modem Firmware Allows Remote Denial of Service

Mon, 02 Nov 2026 15:30:00 +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:N/I:N/A:H'}

ssvc

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


Mon, 02 Nov 2026 11:00:00 +0000

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

Mon, 02 Nov 2026 05:15:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Read in MediaTek Modem Firmware Allows Remote Denial of Service

Mon, 02 Nov 2026 02:45:00 +0000

Type Values Removed Values Added
Description In Modem, there is a possible out of bounds read due to a missing bounds check. This could lead to remote denial of service, 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: MOLY01876664; Issue ID: MSV-9834.
Weaknesses CWE-125
References

Subscriptions

Mediatek Mediatek Chipset
Mediatek, Inc. Mediatek Chipset
cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published:

Updated: 2026-11-02T15:00:48.188Z

Reserved: 2025-11-03T01:30:59.043Z

Link: CVE-2026-20555

cve-icon Vulnrichment

Updated: 2026-11-02T15:00:43.750Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-02T03:17:32.557

Modified: 2026-11-02T16:18:52.027

Link: CVE-2026-20555

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-02T17:15:13Z

Weaknesses