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CVE-2026-21550

Quick assessment

Affected
Unisoc (Shanghai) Technologies Co., Ltd. T8100/T9100/T8200/T8300
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

UNISOC Chipsets是中国UNISOC公司的一系列芯片组产品。 UNISOC Chipsets存在输入验证错误漏洞，该漏洞源于输入验证不当，可能导致远程拒绝服务，且无需额外执行权限。

CVSS 7.5 · High EPSS 0.40% · P34

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unisoc (Shanghai) Technologies Co., Ltd. T8100/T9100/T8200/T8300 Android13/Android14/Android15/Android16 affected
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I. Basic Information for CVE-2026-21550

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
UNISOC Chipsets 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UNISOC Chipsets是中国UNISOC公司的一系列芯片组产品。 UNISOC Chipsets存在输入验证错误漏洞，该漏洞源于输入验证不当，可能导致远程拒绝服务，且无需额外执行权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unisoc (Shanghai) Technologies Co., Ltd. T8100/T9100/T8200/T8300 Android13/Android14/Android15/Android16 -

II. Public POCs for CVE-2026-21550

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-21550

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Vendor Advisories for CVE-2026-21550 (1)

Same Patch Batch · Unisoc (Shanghai) Technologies Co., Ltd. · 2026-08-03 · 8 CVEs total

CVE-2026-21555 7.5 HIGH UNISOC Chipsets 安全漏洞
CVE-2026-21554 7.5 HIGH UNISOC Chipsets 安全漏洞
CVE-2026-21553 7.5 HIGH UNISOC Chipsets 输入验证错误漏洞
CVE-2026-21552 7.5 HIGH UNISOC Chipsets 输入验证错误漏洞
CVE-2026-21551 7.5 HIGH UNISOC Chipsets 输入验证错误漏洞
CVE-2026-21549 7.5 HIGH UNISOC Chipsets 安全漏洞
CVE-2026-21548 7.5 HIGH UNISOC Chipsets 安全漏洞

IV. Related Vulnerabilities

Same product: T8100/T9100/T8200/T8300
Same vendor: Unisoc (Shanghai) Technologies Co., Ltd.

V. Comments for CVE-2026-21550

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