Local information disclosure via diagHal buffer over-read
Published Nov 4, 2025 · Updated Nov 4, 2025
Buffer over-read in Qualcomm Snapdragon diagHal allows local users with low privileges to disclose memory while registering diag commands. The diagHal command-registration path reads beyond a client-supplied buffer while registering commands with the diag service. Exploitation requires local low-privileged access and no user interaction; it exposes memory and can cause a limited service interruption.
Summary
What happened
Buffer over-read in Qualcomm Snapdragon diagHal allows local users with low privileges to disclose memory while registering diag commands. The diagHal command-registration path reads beyond a client-supplied buffer while registering commands with the diag service. Exploitation requires local low-privileged access and no user interaction; it exposes memory and can cause a limited service interruption.
The record
- CVE
- CVE-2025-27064
- Published
- Nov 4, 2025
- Updated
- Nov 4, 2025
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-126, T1005
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Nov 4, 2025CVE publishedPublication date reported by the CVE source.
- Nov 4, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=FastConnect 6900
- Affected versionversion=FastConnect 7800
- Affected versionversion=Immersive Home 3210 Platform
- Affected versionversion=Immersive Home 326 Platform
- Affected versionversion=IPQ5300
- Affected versionversion=IPQ5302
- Affected versionversion=IPQ5312
- Affected versionversion=IPQ5332
- Affected versionversion=IPQ5424
- Affected versionversion=IPQ9008
- Affected versionversion=IPQ9048
- Affected versionversion=IPQ9554
- Affected versionversion=IPQ9570
- Affected versionversion=IPQ9574
- Affected versionversion=MDM9628
- Affected versionversion=QAM8255P
- Affected versionversion=QAM8650P
- Affected versionversion=QCA0000
- Affected versionversion=QCA6564A
- Affected versionversion=QCA6564AU
- Affected versionversion=QCA6574A
- Affected versionversion=QCA6574AU
- Affected versionversion=QCA6584AU
- Affected versionversion=QCA6595AU
- Affected versionversion=QCA6678AQ
- Affected versionversion=QCA6688AQ
- Affected versionversion=QCA6698AQ
- Affected versionversion=QCA8075
- Affected versionversion=QCA8080
- Affected versionversion=QCA8081
- Affected versionversion=QCA8082
- Affected versionversion=QCA8084
- Affected versionversion=QCA8085
- Affected versionversion=QCA8101
- Affected versionversion=QCA8102
- Affected versionversion=QCA8111
- Affected versionversion=QCA8112
- Affected versionversion=QCA8384
- Affected versionversion=QCA8385
- Affected versionversion=QCA8386
- Affected versionversion=QCA9367
- Affected versionversion=QCA9377
- Affected versionversion=QCF8000
- Affected versionversion=QCF8001
- Affected versionversion=QCN5124
- Affected versionversion=QCN5224
- Affected versionversion=QCN6402
- Affected versionversion=QCN6412
- Affected versionversion=QCN6422
- Affected versionversion=QCN6432
- Affected versionversion=QCN9000
- Affected versionversion=QCN9012
- Affected versionversion=QCN9024
- Affected versionversion=QCN9074
- Affected versionversion=QCN9160
- Affected versionversion=QCN9274
- Affected versionversion=QXM8083
- Affected versionversion=SA4150P
- Affected versionversion=SA4155P
- Affected versionversion=SA6155P
- Affected versionversion=SA7255P
- Affected versionversion=SA8155P
- Affected versionversion=SA8195P
- Affected versionversion=SA8255P
- Affected versionversion=SA8530P
- Affected versionversion=SA8540P
- Affected versionversion=SA8650P
- Affected versionversion=SA9000P
- Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
- Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
- Affected versionversion=SXR2250P
- Affected versionversion=WCD9380
- Affected versionversion=WCN3660B
- Affected versionversion=WCN3680B
- Affected versionversion=WCN3980
- Affected versionversion=WSA8830
- Affected versionversion=WSA8835
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
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Technologies
Your stack
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Your stack
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