Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2025-20634

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
03/02/2025
Last modified:
17/02/2026

Description

In 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. Patch ID: MOLY01289384; Issue ID: MSV-2436.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:mediatek:nr16:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:nr17:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:nr17r:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt2737:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6813:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6835t:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6878m:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6895tt:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6896:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools