Improper Input Validation Vulnerability in Unisoc Modem
CVE-2026-21549

7.5HIGH

Key Information:

Vendor: Unisoc (shanghai) Technologies Co., Ltd.
Status: T8100/t9100/t8200/t8300
Vendor: CVE Published:; 3 August 2026

🔔 Create Unisoc (shanghai) Technologies Co., Ltd. Vulnerability Alert

What is CVE-2026-21549?

An improper input validation vulnerability has been identified in Unisoc's modem. This flaw poses the risk of a remote denial of service attack, potentially allowing an attacker to disrupt the functionality of the modem without needing any additional execution privileges. It is crucial for users and administrators to remain vigilant and apply necessary security measures to mitigate this risk.

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

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Timeline

Vulnerability published
Aug 3, 2026
Vulnerability Reserved
Dec 31, 2025

CVE-2026-21549 Data

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