CVE-2025-20666

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.33%
Vendor Advisory mediatek.com
Affected: MediaTek, Inc. MT2735, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8666, MT8667, MT8673, MT8675, MT8771, MT8791, MT8791T, MT8795T, MT8797, MT8798
Published at:
Updated at:

References

Link Tags
https://corp.mediatek.com/product-security-bulletin/May-2025 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-20666?
CVE-2025-20666 has been scored as a high severity vulnerability.
How to fix CVE-2025-20666?
To fix CVE-2025-20666, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-20666 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-20666 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-20666?
CVE-2025-20666 affects MediaTek, Inc. MT2735, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8666, MT8667, MT8673, MT8675, MT8771, MT8791, MT8791T, MT8795T, MT8797, MT8798.
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