Memory disclosure via unchecked OCI IE length
Published Feb 3, 2025 · Updated Feb 3, 2025
Buffer over-read in Qualcomm Snapdragon WLAN HOST firmware allows remote attackers to disclose memory through a malformed OCI IE. The qcacld-3.0 WLAN host driver unpacked the OCI information element without first checking that its length covered the expected structure, causing reads beyond the supplied buffer. No authentication or user interaction is required; exposure is limited to devices using an affected chipset and receiving attacker-controlled network traffic.
Summary
What happened
Buffer over-read in Qualcomm Snapdragon WLAN HOST firmware allows remote attackers to disclose memory through a malformed OCI IE. The qcacld-3.0 WLAN host driver unpacked the OCI information element without first checking that its length covered the expected structure, causing reads beyond the supplied buffer. No authentication or user interaction is required; exposure is limited to devices using an affected chipset and receiving attacker-controlled network traffic.
The record
- CVE
- CVE-2024-49838
- Published
- Feb 3, 2025
- Updated
- Feb 3, 2025
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-125, CWE-126
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Feb 3, 2025CVE publishedPublication date reported by the CVE source.
- Feb 3, 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=AR8035
- Affected versionversion=FastConnect 6200
- Affected versionversion=FastConnect 6700
- Affected versionversion=FastConnect 6800
- Affected versionversion=FastConnect 6900
- Affected versionversion=FastConnect 7800
- Affected versionversion=MDM9628
- Affected versionversion=QAM8255P
- Affected versionversion=QAM8295P
- Affected versionversion=QAM8620P
- Affected versionversion=QAM8650P
- Affected versionversion=QAM8775P
- Affected versionversion=QAMSRV1H
- Affected versionversion=QAMSRV1M
- Affected versionversion=QCA6174A
- Affected versionversion=QCA6391
- Affected versionversion=QCA6426
- Affected versionversion=QCA6436
- Affected versionversion=QCA6554A
- Affected versionversion=QCA6564A
- Affected versionversion=QCA6564AU
- Affected versionversion=QCA6574
- Affected versionversion=QCA6574A
- Affected versionversion=QCA6574AU
- Affected versionversion=QCA6584AU
- Affected versionversion=QCA6595
- Affected versionversion=QCA6595AU
- Affected versionversion=QCA6678AQ
- Affected versionversion=QCA6688AQ
- Affected versionversion=QCA6696
- Affected versionversion=QCA6698AQ
- Affected versionversion=QCA6777AQ
- Affected versionversion=QCA6787AQ
- Affected versionversion=QCA6797AQ
- Affected versionversion=QCA8081
- Affected versionversion=QCA8337
- Affected versionversion=QCA9367
- Affected versionversion=QCA9377
- Affected versionversion=QCC2073
- Affected versionversion=QCC2076
- Affected versionversion=QCC710
- Affected versionversion=QCM4325
- Affected versionversion=QCM4490
- Affected versionversion=QCM5430
- Affected versionversion=QCM6125
- Affected versionversion=QCM6490
- Affected versionversion=QCM8550
- Affected versionversion=QCN6024
- Affected versionversion=QCN6224
- Affected versionversion=QCN6274
- Affected versionversion=QCN9024
- Affected versionversion=QCN9274
- Affected versionversion=QCS4490
- Affected versionversion=QCS5430
- Affected versionversion=QCS6125
- Affected versionversion=QCS615
- Affected versionversion=QCS6490
- Affected versionversion=QCS7230
- Affected versionversion=QCS8250
- Affected versionversion=QCS8300
- Affected versionversion=QCS8550
- Affected versionversion=QCS9100
- Affected versionversion=QEP8111
- Affected versionversion=QFW7114
- Affected versionversion=QFW7124
- Affected versionversion=Qualcomm Video Collaboration VC1 Platform
- Affected versionversion=Qualcomm Video Collaboration VC3 Platform
- Affected versionversion=Qualcomm Video Collaboration VC5 Platform
- Affected versionversion=SA6155P
- Affected versionversion=SA7255P
- Affected versionversion=SA7775P
- Affected versionversion=SA8155P
- Affected versionversion=SA8195P
- Affected versionversion=SA8255P
- Affected versionversion=SA8295P
- Affected versionversion=SA8530P
- Affected versionversion=SA8540P
- Affected versionversion=SA8620P
- Affected versionversion=SA8650P
- Affected versionversion=SA8770P
- Affected versionversion=SA8775P
- Affected versionversion=SA9000P
- Affected versionversion=SC8380XP
- Affected versionversion=SD865 5G
- Affected versionversion=SD 8 Gen1 5G
- Affected versionversion=SDX61
- Affected versionversion=SG4150P
- Affected versionversion=SM4635
- Affected versionversion=SM6650
- Affected versionversion=SM7635
- Affected versionversion=SM7675
- Affected versionversion=SM7675P
- Affected versionversion=SM8550P
- Affected versionversion=SM8635
- Affected versionversion=SM8635P
- Affected versionversion=SM8750
- Affected versionversion=SM8750P
- Affected versionversion=Snapdragon 460 Mobile Platform
- Affected versionversion=Snapdragon 480 5G Mobile Platform
- Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
- Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
- Affected versionversion=Snapdragon 4 Gen 2 Mobile Platform
- Affected versionversion=Snapdragon 662 Mobile Platform
- Affected versionversion=Snapdragon 680 4G Mobile Platform
- Affected versionversion=Snapdragon 685 4G Mobile Platform (SM6225-AD)
- Affected versionversion=Snapdragon 695 5G Mobile Platform
- Affected versionversion=Snapdragon 865 5G Mobile Platform
- Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
- Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
- Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
- Affected versionversion=Snapdragon 8+ Gen 1 Mobile Platform
- Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
- Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
- Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
- Affected versionversion=Snapdragon AR1 Gen 1 Platform
- Affected versionversion=Snapdragon AR1 Gen 1 Platform "Luna1"
- Affected versionversion=Snapdragon AR2 Gen 1 Platform
- Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
- Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
- Affected versionversion=Snapdragon X35 5G Modem-RF System
- Affected versionversion=Snapdragon X55 5G Modem-RF System
- Affected versionversion=Snapdragon X62 5G Modem-RF System
- Affected versionversion=Snapdragon X65 5G Modem-RF System
- Affected versionversion=Snapdragon X72 5G Modem-RF System
- Affected versionversion=Snapdragon X75 5G Modem-RF System
- Affected versionversion=Snapdragon XR2 5G Platform
- Affected versionversion=Snapdragon XR2+ Gen 1 Platform
- Affected versionversion=SRV1H
- Affected versionversion=SRV1L
- Affected versionversion=SRV1M
- Affected versionversion=SSG2115P
- Affected versionversion=SSG2125P
- Affected versionversion=SW5100
- Affected versionversion=SW5100P
- Affected versionversion=SXR1230P
- Affected versionversion=SXR2130
- Affected versionversion=SXR2230P
- Affected versionversion=SXR2250P
- Affected versionversion=SXR2330P
- Affected versionversion=TalynPlus
- Affected versionversion=Vision Intelligence 400 Platform
- Affected versionversion=WCD9335
- Affected versionversion=WCD9340
- Affected versionversion=WCD9341
- Affected versionversion=WCD9370
- Affected versionversion=WCD9375
- Affected versionversion=WCD9378
- Affected versionversion=WCD9380
- Affected versionversion=WCD9385
- Affected versionversion=WCD9390
- Affected versionversion=WCD9395
- Affected versionversion=WCN3950
- Affected versionversion=WCN3980
- Affected versionversion=WCN3988
- Affected versionversion=WCN3990
- Affected versionversion=WCN6650
- Affected versionversion=WCN6740
- Affected versionversion=WCN6755
- Affected versionversion=WCN7860
- Affected versionversion=WCN7861
- Affected versionversion=WCN7880
- Affected versionversion=WCN7881
- Affected versionversion=WSA8810
- Affected versionversion=WSA8815
- Affected versionversion=WSA8830
- Affected versionversion=WSA8832
- Affected versionversion=WSA8835
- Affected versionversion=WSA8840
- Affected versionversion=WSA8845
- Affected versionversion=WSA8845H
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
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Your stack
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