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CVE-2025-20794

Published: Jan 6, 2026Updated: Feb 17, 2026 Sources: CVE List NVDCWE-121
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.2%
Top 84.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

In Modem, there is a possible system crash due to improper input validation. 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: MOLY01689259 / MOLY01586470; Issue ID: MSV-4847.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-121

Affected Products

MediaTek chipsetMediaTek, Inc.
EmbeddedFirmware
Hardware Firmware / cpu-gpu
nr15mediatek
EmbeddedOS
Operating Systems / rtos-embedded-os
nr16mediatek
EmbeddedOS
Operating Systems / rtos-embedded-os
nr17mediatek
EmbeddedFirmware
ICS / OT / IoT / smart-home
nr17rmediatek
EmbeddedFirmware
Hardware Firmware / network-adapter
mediatek, inc.commercialTWHardware Firmwareaka mediatek
mediatekcommercialTWOperating Systemsaka mediatek

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://corp.mediatek.com/product-security-bulletin/January-2026
corp.mediatek.com

Timeline

Published
Jan 6, 2026
Last Updated
Feb 17, 2026

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