CVE-2026-20403

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

In Modem, there is a possible system crash due to a missing bounds check. 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: MOLY01689254 (Note: For N15 and NR16) / MOLY01689259 (Note: For NR17 and NR17R); Issue ID: MSV-4843.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-787

Affected software

VendorProductVersions
MediaTek, Inc.MediaTek chipsetMT2735; MT2737; MT6813; MT6815; MT6833; MT6835; MT6853; MT6855; MT6873; MT6875; MT6877; MT6878; MT6879; MT6880; MT6883; MT6885; MT6886; MT6889; MT6890; MT6891

References

Timeline

Published
Feb 2, 2026
Last modified
Jun 17, 2026
NVD status
Modified

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