Improper Input Validation in Modem IMS by Unisoc
CVE-2025-71253

7.5HIGH

Key Information:

Vendor: Unisoc (shanghai) Technologies Co., Ltd.
Status: Sc7731e/sc9832e/sc9863a/t310/t610/t618/t7200/t7225/t7250/t7255/t7280/t7300/t8100/t9100/t8200/t8300
Vendor: CVE Published:; 6 May 2026

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

What is CVE-2025-71253?

The Modem IMS by Unisoc has a vulnerability related to improper input validation, which creates a pathway for an attacker to exploit the system. This flaw may potentially allow unauthorized remote users to launch a denial of service attack without needing special execution privileges, thereby compromising the availability of the service. It is crucial for users to be aware of this security issue and take necessary precautions to protect their systems.

Affected Version(s)

SC7731E/SC9832E/SC9863A/T310/T610/T618/T7200/T7225/T7250/T7255/T7280/T7300/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

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
May 6, 2026
Vulnerability Reserved
Mar 2, 2026

CVE-2025-71253 Data

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