Remote Denial of Service Vulnerability in Mediatek Modem Products
CVE-2025-20757

5.3MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt2735, Mt6833, Mt6833p, Mt6853, Mt6853t, Mt6855, Mt6855t, Mt6873, Mt6875, Mt6875t, Mt6877, Mt6877t, Mt6877tt, Mt6880, Mt6883, Mt6885, Mt6889, Mt6890, Mt6891, Mt6893, Mt8675, Mt8771, Mt8791, Mt8791t, Mt8797
Vendor
CVE Published:
2 December 2025

What is CVE-2025-20757?

The Mediatek modem products are susceptible to a vulnerability that allows an attacker to trigger a system crash through improper input validation. This condition can be exploited by connecting to a rogue base station, leading to a remote denial of service without requiring user interaction or additional execution privileges. An effective patch is available to address this issue, reinforcing the importance of regular software updates and security measures.

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Deploy the Patch

Affected Version(s)

MT2735, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8675, MT8771, MT8791, MT8791T, MT8797 Modem NR15

References

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

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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