CVE-2026-20404

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: MOLY01689248; Issue ID: MSV-4837.

CVSS v3.1

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

EPSS

0.48% chance of exploitation in the next 30 days, 40th percentile

Published

2026-02-02

Updated

2026-03-30

Proof-of-concept exploits (1)

• George0Papasotiriou/CVE-2026-20404-MediaTek-modem-remote-DoS-rogue-base-station-scenario-1★ · 2026-02-10

References

• CVE Record
• NVD entry

Related

• CVE-2026-20303
• CVE-2026-20452
• CVE-2026-20262
• CVE-2026-2054
• CVE-2026-20253
• CVE-2026-2055