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MEDIUM · 6.5

CVE-2026-20422

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...

Vulnerability 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: MOLY00827332; Issue ID: MSV-5919.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
MediatekNr15-
MediatekNr16-
MediatekNr17-
MediatekNr17R-
MediatekMt2735-
MediatekMt2737-
MediatekMt6813-
MediatekMt6815-
MediatekMt6833-
MediatekMt6835-
MediatekMt6853-
MediatekMt6855-
MediatekMt6858-
MediatekMt6873-
MediatekMt6875-
MediatekMt6877-
MediatekMt6878-
MediatekMt6879-
MediatekMt6880-
MediatekMt6883-

Related Weaknesses (CWE)

CWE-617

References

FAQ

What is CVE-2026-20422?

CVE-2026-20422 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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...

How severe is CVE-2026-20422?

CVE-2026-20422 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-20422?

Check the references section above for vendor advisories and patch information. Affected products include: Mediatek Nr15, Mediatek Nr16, Mediatek Nr17, Mediatek Nr17R, Mediatek Mt2735.