Qualcomm Snapdragon Compute up to WSA8845H WLAN Driver out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Qualcomm Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity and Snapdragon Industrial IOT. It has been declared as critical. This vulnerability affects unknown code of the component WLAN Driver. Such manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2025-21440. The attack can only be performed from a local environment. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Qualcomm Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity and Snapdragon Industrial IOT. Affected by this issue is some unknown processing of the component WLAN Driver. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Memory corruption when IOCTL call is invoked from user-space to write board data to WLAN driver.

The advisory is shared for download at docs.qualcomm.com. This vulnerability is handled as CVE-2025-21440 since 12/18/2024. The exploitation is known to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/04/2025).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-9992). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: Out-of-bounds write
CWE: CWE-787 / 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 🔍
10/04/2025 +180 days 🔍

Sourcesinfo

Vendor: qualcomm.com

Advisory: docs.qualcomm.com
Status: Confirmed

CVE: CVE-2025-21440 (🔍)
GCVE (CVE): GCVE-0-2025-21440
GCVE (VulDB): GCVE-100-303680
EUVD: 🔍

Entryinfo

Created: 04/07/2025 12:52
Updated: 10/04/2025 16:27
Changes: 04/07/2025 12:52 (64), 08/21/2025 00:01 (1), 10/04/2025 16:27 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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