CVE-2025-71256: CWE-20 Improper Input Validation in Unisoc (Shanghai) Technologies Co., Ltd. T8100/T9100/T8200/T8300
In nr modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed.
AI Analysis
Technical Summary
This vulnerability involves improper input validation in the NR modem of Unisoc T8100/T9100/T8200/T8300 chipsets running Android 13 to 16. An attacker can remotely trigger a denial of service condition without needing any privileges or user interaction. The CVSS v3.1 base score is 7.5, reflecting a high severity primarily due to the remote network attack vector and the impact on availability. No patches or official remediation guidance have been disclosed yet.
Potential Impact
Successful exploitation results in a remote denial of service, causing disruption of service availability on affected devices. There is no impact on confidentiality or integrity. No additional execution privileges are required for exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider monitoring vendor communications for updates. No official mitigation or temporary fixes have been published.
CVE-2025-71256: CWE-20 Improper Input Validation in Unisoc (Shanghai) Technologies Co., Ltd. T8100/T9100/T8200/T8300
Description
In nr modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves improper input validation in the NR modem of Unisoc T8100/T9100/T8200/T8300 chipsets running Android 13 to 16. An attacker can remotely trigger a denial of service condition without needing any privileges or user interaction. The CVSS v3.1 base score is 7.5, reflecting a high severity primarily due to the remote network attack vector and the impact on availability. No patches or official remediation guidance have been disclosed yet.
Potential Impact
Successful exploitation results in a remote denial of service, causing disruption of service availability on affected devices. There is no impact on confidentiality or integrity. No additional execution privileges are required for exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider monitoring vendor communications for updates. No official mitigation or temporary fixes have been published.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Unisoc
- Date Reserved
- 2026-03-02T05:55:13.666Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69fa9ea6cbff5d86108492f7
Added to database: 5/6/2026, 1:51:34 AM
Last enriched: 5/6/2026, 2:06:21 AM
Last updated: 5/6/2026, 3:54:30 AM
Views: 4
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