Remote service interruption via unchecked WLAN IE length
Published Jan 2, 2024 · Updated Jun 17, 2025
Buffer over-read in Qualcomm Snapdragon Windows WLAN drivers allows remote attackers to interrupt wireless service via WLAN traffic. The ieee80211_parse_mscs_ie parser reads beyond the supplied MSCS information element because it does not check the input size. No authentication or user interaction is required, and the documented consequence is a transient availability interruption rather than data disclosure or modification.
Summary
What happened
Buffer over-read in Qualcomm Snapdragon Windows WLAN drivers allows remote attackers to interrupt wireless service via WLAN traffic. The ieee80211_parse_mscs_ie parser reads beyond the supplied MSCS information element because it does not check the input size. No authentication or user interaction is required, and the documented consequence is a transient availability interruption rather than data disclosure or modification.
The record
- CVE
- CVE-2023-33116
- Published
- Jan 2, 2024
- Updated
- Jun 17, 2025
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-126, T1499.004
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 2, 2024CVE publishedPublication date reported by the CVE source.
- Jun 17, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=AR8035
- Affected versionversion=AR9380
- Affected versionversion=CSR8811
- Affected versionversion=FastConnect 6900
- Affected versionversion=FastConnect 7800
- Affected versionversion=Flight RB5 5G Platform
- 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=Immersive Home 3210 Platform
- Affected versionversion=Immersive Home 326 Platform
- Affected versionversion=IPQ4018
- Affected versionversion=IPQ4019
- Affected versionversion=IPQ4028
- Affected versionversion=IPQ4029
- Affected versionversion=IPQ5010
- Affected versionversion=IPQ5028
- Affected versionversion=IPQ6000
- Affected versionversion=IPQ6010
- Affected versionversion=IPQ6018
- Affected versionversion=IPQ6028
- Affected versionversion=IPQ8064
- Affected versionversion=IPQ8065
- Affected versionversion=IPQ8068
- Affected versionversion=IPQ8070
- 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=IPQ9008
- Affected versionversion=IPQ9570
- Affected versionversion=IPQ9574
- Affected versionversion=QCA0000
- Affected versionversion=QCA4024
- Affected versionversion=QCA6391
- Affected versionversion=QCA7500
- Affected versionversion=QCA8075
- Affected versionversion=QCA8081
- Affected versionversion=QCA8082
- Affected versionversion=QCA8084
- Affected versionversion=QCA8085
- Affected versionversion=QCA8337
- Affected versionversion=QCA8386
- Affected versionversion=QCA9880
- Affected versionversion=QCA9886
- Affected versionversion=QCA9888
- Affected versionversion=QCA9889
- Affected versionversion=QCA9898
- Affected versionversion=QCA9980
- Affected versionversion=QCA9984
- Affected versionversion=QCA9985
- Affected versionversion=QCA9990
- Affected versionversion=QCA9992
- Affected versionversion=QCA9994
- Affected versionversion=QCC710
- Affected versionversion=QCF8001
- 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=QCN6112
- Affected versionversion=QCN6122
- Affected versionversion=QCN6132
- Affected versionversion=QCN6224
- Affected versionversion=QCN6274
- Affected versionversion=QCN9000
- Affected versionversion=QCN9011
- Affected versionversion=QCN9012
- Affected versionversion=QCN9013
- Affected versionversion=QCN9022
- Affected versionversion=QCN9024
- Affected versionversion=QCN9070
- Affected versionversion=QCN9072
- Affected versionversion=QCN9074
- Affected versionversion=QCN9100
- Affected versionversion=QCN9274
- Affected versionversion=QFW7114
- Affected versionversion=QFW7124
- Affected versionversion=QRB5165M
- Affected versionversion=QRB5165N
- Affected versionversion=Robotics RB5 Platform
- Affected versionversion=SDX55
- Affected versionversion=SDX65M
- Affected versionversion=Snapdragon X65 5G Modem-RF System
- Affected versionversion=Snapdragon X75 5G Modem-RF System
- Affected versionversion=WCD9340
- Affected versionversion=WCD9380
- Affected versionversion=WCD9385
- Affected versionversion=WCN3980
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
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo