VulnerabilityDeferred

CVE-2026-20459

In Modem, there is a possible system crash due to improper input validation.

MEDIUM 5.3EPSS 0.26%

Does this matter?

Lower severity and a low EPSS score (0.26%). Track it; it rarely justifies an emergency change on its own.

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: MOLY01816800; Issue ID: MSV-6842.

CVSS 3.1: 5.3 MEDIUMCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.26% probability · 18th percentile
CISA KEV: Not listed
Weakness: CWE-288
Source: security@mediatek.com

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.