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CVE-2025-21482— Cryptographic Issues in Core

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存在加密问题漏洞，该漏洞源于执行RSA PKCS填充解码时存在加密问题。

CVSS 7.1 · High EPSS 0.08% · P0

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2025-21482

Vulnerability Information
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Vulnerability Title
Cryptographic Issues in Core
Source: CVE Program / CVE List V5
Vulnerability Description
Cryptographic issue while performing RSA PKCS padding decoding.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
加密问题
Source: CVE Program / CVE List V5
Vulnerability Title
Qualcomm Chipsets 加密问题漏洞
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存在加密问题漏洞，该漏洞源于执行RSA PKCS填充解码时存在加密问题。
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 315 5G IoT Modem -

II. Public POCs for CVE-2025-21482

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III. Intelligence Information for CVE-2025-21482

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Same Patch Batch · Qualcomm, Inc. · 2025-09-24 · 23 CVEs total

CVE-2025-27034 9.8 CRITICAL Improper Validation of Array Index in Multi-Mode Call Processor
CVE-2025-21483 9.8 CRITICAL Improper Restriction of Operations within the Bounds of a Memory Buffer in Data Network St
CVE-2025-21488 8.2 HIGH Buffer Over-read in Data Network Stack & Connectivity
CVE-2025-21487 8.2 HIGH Buffer Over-read in Data Network Stack & Connectivity
CVE-2025-21484 8.2 HIGH Buffer Over-read in Data Network Stack & Connectivity
CVE-2025-47314 7.8 HIGH Improper Input Validation in Automotive Software platform based on QNX
CVE-2025-27032 7.8 HIGH Improper Access Control Applied to Mirrored or Aliased Memory Regions in Hypervisor
CVE-2025-27037 7.8 HIGH Use After Free in Camera Driver
CVE-2025-27077 7.8 HIGH Use After Free in Automotive Software platform based on QNX
CVE-2025-47315 7.8 HIGH Use After Free in Automotive Software platform based on QNX
CVE-2025-47316 7.8 HIGH Double Free in Video
CVE-2025-47317 7.8 HIGH Buffer Over-read in BT Controller
CVE-2025-21481 7.8 HIGH Buffer Copy Without Checking Size of Input in HLOS
CVE-2025-21476 7.8 HIGH Buffer Copy Without Checking Size of Input in Computer Vision
CVE-2025-47327 7.8 HIGH Use After Free in Camera
CVE-2025-47329 7.8 HIGH Release of Invalid Pointer or Reference in Android Core
CVE-2025-47328 7.5 HIGH Buffer Over-read in WLAN HAL
CVE-2025-47318 7.5 HIGH Buffer Over-read in BT Controller
CVE-2025-47326 7.5 HIGH Buffer Over-read in WLAN HAL
CVE-2025-27030 6.1 MEDIUM Buffer Over-read in Audio

Showing top 20 of 23 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Snapdragon
Same vendor: Qualcomm, Inc.
Same weakness: CWE-310

V. Comments for CVE-2025-21482

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