CVE-2025-20790: Null Pointer Dereference

Published Dec 1, 2025
·
Updated

In Modem, there is a possible system crash due to improper input validation. 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: MOLY01677581; Issue ID: MSV-4701.

Affected Software

27 affected components
All of the following
MediaTek Nr15
Any of the following
MediaTek Mt2735
MediaTek Mt6833
MediaTek Mt6833p
MediaTek Mt6853
MediaTek Mt6853t
MediaTek Mt6855
MediaTek Mt6855t
MediaTek Mt6873
MediaTek Mt6875
MediaTek Mt6875t
MediaTek Mt6877
MediaTek Mt6877t
MediaTek Mt6877tt
MediaTek Mt6880
MediaTek Mt6883
MediaTek Mt6885
MediaTek Mt6889
MediaTek Mt6890
MediaTek Mt6891
MediaTek Mt6893
MediaTek Mt8675
MediaTek Mt8771
MediaTek Mt8791
MediaTek Mt8791t
MediaTek Mt8797
Google Android

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch MOLY01677581

Event History

Dec 1, 2025
CVE Published
via Android·12:00 AM
Data Sourced
via Android·12:00 AM
Affected Software
Dec 2, 2025
CVE Published
via MITRE·02:34 AM
Data Sourced
via MITRE·02:34 AM
DescriptionWeakness
Data Sourced
via NVD·03:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-20790?

CVE-2025-20790 has the potential for a remote denial of service, making it a critical security vulnerability due to its ability to cause system crashes.

2

How do I fix CVE-2025-20790?

To fix CVE-2025-20790, users should apply the latest software patches provided by MediaTek for their affected devices.

3

What causes CVE-2025-20790?

CVE-2025-20790 is caused by improper input validation in the modem, which can be exploited by connecting to a rogue base station.

4

Who is affected by CVE-2025-20790?

CVE-2025-20790 affects certain MediaTek modem devices that are susceptible to remote exploitation.

5

Is user interaction needed to exploit CVE-2025-20790?

No, CVE-2025-20790 can be exploited without any user interaction, making it a significant risk.

Contact

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