1. Home
  2. CVE Database
  3. CVE-2026-20432
HIGH · 8.0

CVE-2026-20432

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the atta...

Vulnerability Description

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01406170; Issue ID: MSV-4461.

CVSS Score

8.0

HIGH

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

Affected Products

VendorProductVersions
MediatekMt2735 Firmware-
MediatekMt2735-
MediatekMt2737 Firmware-
MediatekMt2737-
MediatekMt6779 Firmware-
MediatekMt6779-
MediatekMt6781 Firmware-
MediatekMt6781-
MediatekMt6783 Firmware-
MediatekMt6783-
MediatekMt8781 Firmware-
MediatekMt8781-
MediatekMt8789 Firmware-
MediatekMt8789-
MediatekMt8791 Firmware-
MediatekMt8791-
MediatekMt8791T Firmware-
MediatekMt8791T-
MediatekMt8792 Firmware-
MediatekMt8792-

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2026-20432?

CVE-2026-20432 is a vulnerability with a CVSS score of 8.0 (HIGH). In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the atta...

How severe is CVE-2026-20432?

CVE-2026-20432 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-20432?

Check the references section above for vendor advisories and patch information. Affected products include: Mediatek Mt2735 Firmware, Mediatek Mt2735, Mediatek Mt2737 Firmware, Mediatek Mt2737, Mediatek Mt6779 Firmware.