CVE-2025-20634

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.27%
Vendor Advisory mediatek.com
Affected: MediaTek, Inc. MT2737, MT6813, MT6835, MT6835T, MT6878, MT6878M, MT6879, MT6886, MT6895, MT6895TT, MT6896, MT6897, MT6899, MT6980, MT6980D, MT6983, MT6983T, MT6985, MT6985T, MT6989, MT6989T, MT6990, MT6991, MT8673, MT8676, MT8678, MT8795T, MT8798, MT8863
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2025-20634?
CVE-2025-20634 has been scored as a critical severity vulnerability.
How to fix CVE-2025-20634?
To fix CVE-2025-20634, 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-2025-20634 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-20634 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-2025-20634?
CVE-2025-20634 affects MediaTek, Inc. MT2737, MT6813, MT6835, MT6835T, MT6878, MT6878M, MT6879, MT6886, MT6895, MT6895TT, MT6896, MT6897, MT6899, MT6980, MT6980D, MT6983, MT6983T, MT6985, MT6985T, MT6989, MT6989T, MT6990, MT6991, MT8673, MT8676, MT8678, MT8795T, MT8798, MT8863.
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