CVE-2025-20666: High severity MediaTek Nr15 vulnerability

Published May 5, 2025
·
Updated

In Modem, there is a possible system crash due to an uncaught exception. 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: MOLY00650610; Issue ID: MSV-2933.

Affected Software

32 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 Mt8666
MediaTek Mt8667
MediaTek Mt8673
MediaTek Mt8675
MediaTek Mt8771
MediaTek Mt8791
MediaTek Mt8791t
MediaTek Mt8795t
MediaTek Mt8797
MediaTek Mt8798
Google Android

Event History

May 5, 2025
CVE Published
via Android·12:00 AM
Data Sourced
via Android·12:00 AM
SeverityAffected Software
CVE Published
via MITRE·02:49 AM
Data Sourced
via MITRE·02:49 AM
DescriptionWeakness
Data Sourced
via NVD·03:15 AM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2025-20666?

The severity of CVE-2025-20666 is high due to its potential to cause a remote denial of service.

2

How do I fix CVE-2025-20666?

To fix CVE-2025-20666, users must apply the appropriate security patches provided by MediaTek.

3

What systems are affected by CVE-2025-20666?

CVE-2025-20666 affects devices running Mediatek LR15, specifically when connected to untrusted base stations.

4

What kind of attack is possible with CVE-2025-20666?

CVE-2025-20666 can be exploited by an attacker connecting a rogue base station, causing a system crash.

5

Is user interaction required to exploit CVE-2025-20666?

No, user interaction is not needed for exploiting CVE-2025-20666.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203