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HIGH · 7.5

CVE-2026-21549

In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed

Vulnerability Description

In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed

CVSS Score

7.5

HIGH

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

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2026-21549?

CVE-2026-21549 is a vulnerability with a CVSS score of 7.5 (HIGH). In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed

How severe is CVE-2026-21549?

CVE-2026-21549 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21549?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.