Improper Input Validation Vulnerability in Unisoc Modem Product
CVE-2026-21555

7.5HIGH

Key Information:

Vendor

Unisoc (shanghai) Technologies Co., Ltd.

Status
Udx710
Vendor
CVE Published:
3 August 2026

What is CVE-2026-21555?

The vulnerability exists in Unisoc modems due to improper input validation, which may allow an attacker to trigger a remote denial of service. This issue does not require any additional execution privileges, making it a critical concern for users relying on these modems for secure communications. Timely patching and updates are essential to mitigate potential risks associated with this vulnerability.

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

.