Input Validation Flaw in Unisoc Modems Leads to Remote Denial of Service
CVE-2026-21552

7.5HIGH

Key Information:

Vendor

Unisoc (shanghai) Technologies Co., Ltd.

Status
T8100/t9100/t8200/t8300
Vendor
CVE Published:
3 August 2026

What is CVE-2026-21552?

In Unisoc modems, a flaw related to improper input validation has been identified. This vulnerability may allow attackers to exploit the modem's processing capabilities, potentially leading to a remote denial of service. Such an attack does not require additional execution privileges, making it easier for malicious actors to disrupt services.

Affected Version(s)

T8100/T9100/T8200/T8300 Android13/Android14/Android15/Android16

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

.