Denial of Service Vulnerability in Mediatek Modem Product
CVE-2025-20791

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-2025-20791?

A vulnerability in Modem software allows for potential system crashes due to inadequate error handling. This flaw could be exploited remotely by an attacker via a rogue base station, enabling a denial of service condition without requiring user interaction. The exploitation of this vulnerability poses a significant risk to device availability, highlighting the necessity for immediate updates to protect against potential threats.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

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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