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CVE-2025-27040— Improper Input Validation in TZ Firmware

Quick assessment

Affected
Qualcomm, Inc. Snapdragon
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.

Qualcomm Chipsets是美国高通（Qualcomm）公司的一系列芯片组。 Qualcomm Chipsets存在输入验证错误漏洞，该漏洞源于处理hypervisor日志时可能导致信息泄露。

CVSS 6.5 · Medium EPSS 0.08% · P0

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2025-27040

Vulnerability Information
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Vulnerability Title
Improper Input Validation in TZ Firmware
Source: CVE Program / CVE List V5
Vulnerability Description
Information disclosure may occur while processing the hypervisor log.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Qualcomm Chipsets 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qualcomm Chipsets是美国高通（Qualcomm）公司的一系列芯片组。 Qualcomm Chipsets存在输入验证错误漏洞，该漏洞源于处理hypervisor日志时可能导致信息泄露。
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
Qualcomm, Inc. Snapdragon CSR8811 -

II. Public POCs for CVE-2025-27040

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III. Intelligence Information for CVE-2025-27040

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Same Patch Batch · Qualcomm, Inc. · 2025-10-09 · 19 CVEs total

CVE-2025-27059 8.8 HIGH Use of Out-of-range Pointer Offset in TZ Firmware
CVE-2025-27060 8.8 HIGH Untrusted Pointer Dereference in TZ Firmware
CVE-2025-47354 7.8 HIGH Use After Free in DSP Service
CVE-2025-27048 7.8 HIGH Untrusted Pointer Dereference in Camera
CVE-2025-27053 7.8 HIGH Incorrect Calculation of Buffer Size in HLOS
CVE-2025-27054 7.8 HIGH Out-of-bounds Write in Display
CVE-2025-47338 7.8 HIGH Untrusted Pointer Dereference in DSP Service
CVE-2025-47340 7.8 HIGH Out-of-bounds Write in DSP Service
CVE-2025-47341 7.8 HIGH Buffer Copy Without Checking Size of Input in Camera
CVE-2025-47347 7.8 HIGH Stack-based Buffer Overflow in Automotive Software platform based on QNX
CVE-2025-47349 7.8 HIGH Use of Out-of-range Pointer Offset in DSP Service
CVE-2025-47351 7.8 HIGH Integer Overflow or Wraparound in DSP Service
CVE-2025-47355 7.8 HIGH Out-of-bounds Write in DSP Service
CVE-2025-47342 7.1 HIGH Use After Free in BT Controller
CVE-2025-27039 6.6 MEDIUM Detection of Error Condition Without Action in Computer Vision
CVE-2025-27045 6.1 MEDIUM Buffer Over-read in Video
CVE-2025-27049 5.5 MEDIUM Buffer Over-read in Camera
CVE-2025-27041 5.5 MEDIUM Buffer Over-read in Video

IV. Related Vulnerabilities

Same product: Snapdragon
Same vendor: Qualcomm, Inc.
Same weakness: CWE-20

V. Comments for CVE-2025-27040

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