Qualcomm Snapdragon Compute/Snapdragon Industrial IOT up to WSA8845H API buffer over-read

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Qualcomm Snapdragon Compute and Snapdragon Industrial IOT. This issue affects some unknown processing of the component API. Executing a manipulation can lead to buffer over-read. This vulnerability is registered as CVE-2025-21421. The attack needs to be launched locally. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Qualcomm Snapdragon Compute and Snapdragon Industrial IOT. This vulnerability affects an unknown part of the component API. The manipulation with an unknown input leads to a buffer over-read vulnerability. The CWE definition for the vulnerability is CWE-126. The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is available at docs.qualcomm.com. This vulnerability was named CVE-2025-21421 since 12/18/2024. The exploitation appears to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (qualcomm): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer over-read
CWE: CWE-126 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/18/2024 🔍
04/07/2025 +109 days 🔍
04/07/2025 +0 days 🔍
08/19/2025 +134 days 🔍

Sourcesinfo

Vendor: qualcomm.com

Advisory: docs.qualcomm.com
Status: Confirmed

CVE: CVE-2025-21421 (🔍)
GCVE (CVE): GCVE-0-2025-21421
GCVE (VulDB): GCVE-100-303670

Entryinfo

Created: 04/07/2025 12:50
Updated: 08/19/2025 20:18
Changes: 04/07/2025 12:50 (62), 08/19/2025 20:18 (1)
Complete: 🔍
Cache ID: 216::103

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