Improper Input Validation in Unisoc Modem Products
CVE-2026-21554

7.5HIGH

Key Information:

Vendor

Unisoc (shanghai) Technologies Co., Ltd.

Status
Udx710
Vendor
CVE Published:
3 August 2026

What is CVE-2026-21554?

A vulnerability has been identified in Unisoc modem products where improper input validation could allow an attacker to execute a remote denial of service attack. This issue does not require additional execution privileges, making it particularly concerning for users of affected versions. It highlights the importance of securing modem interfaces to prevent potential disruptions in service.

Affected Version(s)

UDX710 Yocto

References

https://www.unisoc.com/en/support/product-security-bullet...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.