CVE-2026-21554: Input Validation
Published Aug 3, 2026
·Updated
In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed
Event History
Aug 3, 2026
CVE Published
via MITRE·07:18 AM
Data Sourced
via MITRE·07:18 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:17 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-21554?
The severity of CVE-2026-21554 is rated as high with a score of 7.5.
2
What does CVE-2026-21554 affect?
CVE-2026-21554 affects the modem and relates to improper input validation.
3
What is the risk associated with CVE-2026-21554?
The risk associated with CVE-2026-21554 is a remote denial of service which does not require additional execution privileges.
4
How do I fix CVE-2026-21554?
To fix CVE-2026-21554, ensure that the modem firmware is updated to the latest version that addresses input validation issues.
5
What can exploiting CVE-2026-21554 lead to?
Exploiting CVE-2026-21554 can lead to a remote denial of service affecting the availability of the device.