CVE-2026-21550: CWE-20 Improper Input Validation in Unisoc (Shanghai) Technologies Co., Ltd. T8100/T9100/T8200/T8300
CVE-2026-21550 is a high-severity vulnerability in the modem components of Unisoc (Shanghai) Technologies Co., Ltd. products T8100, T9100, T8200, and T8300. It involves improper input validation that could allow a remote attacker to cause a denial of service without requiring any additional execution privileges. No information about patches or fixes is currently available.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-20 (Improper Input Validation), affects the modem in Unisoc T8100, T9100, T8200, and T8300 products. Improper input validation could be exploited remotely to trigger a denial of service condition. The CVSS v3.1 score is 7.5, reflecting a high severity due to network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability (denial of service). No remediation level or patch information has been provided by the vendor.
Potential Impact
An attacker can remotely cause a denial of service on affected devices without needing any privileges or user interaction. This impacts the availability of the modem functionality but does not affect confidentiality or integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation has been published at this time.
CVE-2026-21550: CWE-20 Improper Input Validation in Unisoc (Shanghai) Technologies Co., Ltd. T8100/T9100/T8200/T8300
Description
CVE-2026-21550 is a high-severity vulnerability in the modem components of Unisoc (Shanghai) Technologies Co., Ltd. products T8100, T9100, T8200, and T8300. It involves improper input validation that could allow a remote attacker to cause a denial of service without requiring any additional execution privileges. No information about patches or fixes is currently available.
CVSS v3.1
Score 7.5high
Affected software
Unisoc (Shanghai) Technologies Co., Ltd.
T8100/T9100/T8200/T8300
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-20 (Improper Input Validation), affects the modem in Unisoc T8100, T9100, T8200, and T8300 products. Improper input validation could be exploited remotely to trigger a denial of service condition. The CVSS v3.1 score is 7.5, reflecting a high severity due to network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability (denial of service). No remediation level or patch information has been provided by the vendor.
Potential Impact
An attacker can remotely cause a denial of service on affected devices without needing any privileges or user interaction. This impacts the availability of the modem functionality but does not affect confidentiality or integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation has been published at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Unisoc
- Date Reserved
- 2025-12-31T07:33:23.120Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a704b62bf32cb7a3433eb12
Added to database: 08/03/2026, 08:03:46 UTC
Last enriched: 08/10/2026, 15:21:09 UTC
Last updated: 09/17/2026, 22:01:33 UTC
Views: 41
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