Transient WLAN denial of service via MLO parsing
Published Sep 5, 2023 · Updated Aug 2, 2024
Buffer over-read in Qualcomm Snapdragon WLAN firmware allows remote attackers to cause a transient service interruption via MLO data. The MLO parser reads beyond the end of a buffer while processing multi-link operation data in the closed-source firmware. No privileges or user interaction are required; the documented consequence is temporary loss of WLAN availability, not data disclosure or modification.
Summary
What happened
Buffer over-read in Qualcomm Snapdragon WLAN firmware allows remote attackers to cause a transient service interruption via MLO data. The MLO parser reads beyond the end of a buffer while processing multi-link operation data in the closed-source firmware. No privileges or user interaction are required; the documented consequence is temporary loss of WLAN availability, not data disclosure or modification.
The record
- CVE
- CVE-2023-33016
- Published
- Sep 5, 2023
- Updated
- Aug 2, 2024
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-126, T1499.004
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 5, 2023CVE publishedPublication date reported by the CVE source.
- Aug 2, 2024Record 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=CSR8811
- Affected versionversion=FastConnect 6900
- Affected versionversion=FastConnect 7800
- Affected versionversion=Immersive Home 214 Platform
- Affected versionversion=Immersive Home 216 Platform
- Affected versionversion=Immersive Home 316 Platform
- Affected versionversion=Immersive Home 318 Platform
- Affected versionversion=IPQ5010
- Affected versionversion=IPQ5028
- Affected versionversion=IPQ6000
- Affected versionversion=IPQ6010
- Affected versionversion=IPQ6018
- Affected versionversion=IPQ6028
- Affected versionversion=IPQ8070A
- Affected versionversion=IPQ8071A
- Affected versionversion=IPQ8072A
- Affected versionversion=IPQ8074A
- Affected versionversion=IPQ8076
- Affected versionversion=IPQ8076A
- Affected versionversion=IPQ8078
- Affected versionversion=IPQ8078A
- Affected versionversion=IPQ8173
- Affected versionversion=IPQ8174
- Affected versionversion=IPQ9574
- Affected versionversion=QCA4024
- Affected versionversion=QCA8075
- Affected versionversion=QCA8081
- Affected versionversion=QCA8082
- Affected versionversion=QCA8084
- Affected versionversion=QCA8085
- Affected versionversion=QCA8386
- Affected versionversion=QCA9888
- Affected versionversion=QCA9889
- Affected versionversion=QCN5022
- Affected versionversion=QCN5024
- Affected versionversion=QCN5052
- Affected versionversion=QCN5122
- Affected versionversion=QCN5124
- Affected versionversion=QCN5152
- Affected versionversion=QCN5154
- Affected versionversion=QCN5164
- Affected versionversion=QCN6023
- Affected versionversion=QCN6024
- Affected versionversion=QCN6122
- Affected versionversion=QCN6132
- Affected versionversion=QCN9000
- Affected versionversion=QCN9022
- Affected versionversion=QCN9024
- Affected versionversion=QCN9070
- Affected versionversion=QCN9072
- Affected versionversion=QCN9074
- Affected versionversion=QCN9100
- Affected versionversion=QCN9274
- Affected versionversion=QCS8550
- Affected versionversion=SD 8 Gen1 5G
- Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
- Affected versionversion=Snapdragon AR2 Gen 1 Platform
- Affected versionversion=SSG2115P
- Affected versionversion=SSG2125P
- Affected versionversion=SXR1230P
- Affected versionversion=SXR2230P
- Affected versionversion=WCD9380
- Affected versionversion=WCD9385
- Affected versionversion=WSA8830
- Affected versionversion=WSA8832
- 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
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Public exploit references
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Technologies
Your stack
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Your stack
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