Memory Corruption Vulnerability in Mediatek Modem Products
CVE-2025-20644

7.5HIGH

Key Information:

Vendor

MediaTek
Status
Mt2735, Mt2737, Mt6833, Mt6833p, Mt6853, Mt6853t, Mt6855, Mt6855t, Mt6873, Mt6875, Mt6875t, Mt6877, Mt6877t, Mt6877tt, Mt6879, Mt6880, Mt6883, Mt6885, Mt6886, Mt6889, Mt6890, Mt6891, Mt6893, Mt6895, Mt6895tt, Mt6896, Mt6980, Mt6980d, Mt6983, Mt6983t, Mt6985, Mt6985t, Mt6989, Mt6989t, Mt6990, Mt8673, Mt8791t, Mt8795t, Mt8798
Vendor
CVE Published:
3 March 2025

What is CVE-2025-20644?

A vulnerability exists in Mediatek Modem products that may allow an attacker to exploit improper error handling, leading to memory corruption. This can facilitate a remote denial of service when a user equipment (UE) connects to a malicious base station controlled by the attacker. Notably, no user interaction is necessary for the exploitation to occur, making it a significant concern for device security. This vulnerability is addressed in patch ID: MOLY01525673, identified as issue ID: MSV-2747.

Affected Version(s)

MT2735, MT2737, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6895TT, MT6896, MT6980, MT6980D, MT6983, MT6983T, MT6985, MT6985T, MT6989, MT6989T, MT6990, MT8673, MT8791T, MT8795T, MT8798 Modem NR15, NR16

References

https://corp.mediatek.com/product-security-bulletin/March...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.