Transient service interruption via FTM buffer over-read
Published May 6, 2024 · Updated Aug 1, 2024
Buffer over-read in Qualcomm WLAN firmware allows remote attackers to interrupt service with a protected 802.11az FTM frame. The protected Fine Time Measurement frame parser reads beyond its intended buffer while processing malformed frame data; Qualcomm has not disclosed the affected function or field. Exploitation requires wireless-frame reachability and produces a transient interruption rather than data disclosure, data modification, or persistent device failure.
CVSS severity7.5
HighEPSS probability0.32%
Next 30 days · Sep 16, 2026Known exploitationUnconfirmed
Based on sourced intelligenceHinoki checkNot available
Coverage for this vulnerabilitySummary
What happened
Buffer over-read in Qualcomm WLAN firmware allows remote attackers to interrupt service with a protected 802.11az FTM frame. The protected Fine Time Measurement frame parser reads beyond its intended buffer while processing malformed frame data; Qualcomm has not disclosed the affected function or field. Exploitation requires wireless-frame reachability and produces a transient interruption rather than data disclosure, data modification, or persistent device failure.
The record
- CVE
- CVE-2024-21477
- Published
- May 6, 2024
- Updated
- Aug 1, 2024
- Vendor
- Qualcomm
- Product
- QCN9074 Firmware
- Classifications
- CWE-126, T1498
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- May 6, 2024CVE publishedPublication date reported by the CVE source.
- Aug 1, 2024Record 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=*
What conditions does exploitation require?
Attack vectornetwork
Required privilegesunauthenticated
What is affected?
Qualcomm · QCN9074 Firmwareversion=*
Qualcomm · QCA6698AQ Firmwareversion=*
Qualcomm · QCA8386 Firmwareversion=*
Qualcomm · QAM8255P Firmwareversion=*
Qualcomm · IPQ6000 Firmwareversion=*
Qualcomm · Qualcomm QCA6595AU Firmwareversion=*
Qualcomm · QCN6412 Firmwareversion=*
Qualcomm · Immersive Home 326 Platform Firmwareversion=*
Qualcomm · IPQ8078 Firmwareversion=*
Qualcomm · QCN6274 Firmwareversion=*
Qualcomm · QCN5052 Firmwareversion=*
Qualcomm · CSR8811 Firmwareversion=*
Qualcomm · Immersive Home 318 Platform Firmwareversion=*
Qualcomm · QCA8084 Firmwareversion=*
Qualcomm · QCN6122 Firmwareversion=*
Qualcomm · QCA8337 Firmwareversion=*
Qualcomm · IPQ6010 Firmwareversion=*
Qualcomm · Qualcomm QCA6797AQ Firmwareversion=*
Qualcomm · QCA8081 Firmwareversion=*
Qualcomm · QCF8000 Firmwareversion=*
Qualcomm · IPQ8070A Firmwareversion=*
Qualcomm · FastConnect 7800 Firmwareversion=*
Qualcomm · Qualcomm QCA6595 Firmwareversion=*
Qualcomm · QCN9013 Firmwareversion=*
Qualcomm · SC8380XP Firmwareversion=*
Qualcomm · IPQ8078A Firmwareversion=*
Qualcomm · QAM8650P Firmwareversion=*
Qualcomm · QCN5022 Firmwareversion=*
Qualcomm · IPQ5028 Firmwareversion=*
Qualcomm · IPQ8174 Firmwareversion=*
Qualcomm · QCN9022 Firmwareversion=*
Qualcomm · IPQ6028 Firmwareversion=*
Qualcomm · QCN9274 Firmwareversion=*
Qualcomm · Snapdragonversion=AQT1000; version=AR8035; version=CSR8811; version=FastConnect 6200; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=Immersive Home 214 Platform; version=Immersive Home 216 Platform; version=Immersive Home 316 Platform; version=Immersive Home 318 Platform; version=Immersive Home 3210 Platform; version=Immersive Home 326 Platform; version=IPQ5010; version=IPQ5028; version=IPQ5300; version=IPQ5302; version=IPQ5312; version=IPQ5332; version=IPQ6000; version=IPQ6010; version=IPQ6018; version=IPQ6028; version=IPQ8070A; version=IPQ8071A; version=IPQ8072A; version=IPQ8074A; version=IPQ8076; version=IPQ8076A; version=IPQ8078; version=IPQ8078A; version=IPQ8173; version=IPQ8174; version=IPQ9008; version=IPQ9554; version=IPQ9570; version=IPQ9574; version=QAM8255P; version=QAM8650P; version=QAM8775P; version=QCA0000; version=QCA4024; version=QCA6391; version=QCA6420; version=QCA6430; version=QCA6554A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6696; version=QCA6698AQ; version=QCA6797AQ; version=QCA8075; version=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8337; version=QCA8386; version=QCA9888; version=QCA9889; version=QCC2073; version=QCC2076; version=QCC710; version=QCF8000; version=QCF8001; version=QCM4325; version=QCM8550; version=QCN5022; version=QCN5024; version=QCN5052; version=QCN5122; version=QCN5124; version=QCN5152; version=QCN5154; version=QCN5164; version=QCN6023; version=QCN6024; version=QCN6112; version=QCN6122; version=QCN6132; version=QCN6224; version=QCN6274; version=QCN6402; version=QCN6412; version=QCN6422; version=QCN6432; version=QCN9000; version=QCN9012; version=QCN9013; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=QCS8550; version=QFW7114; version=QFW7124; version=SA7255P; version=SC8180X+SDX55; version=SC8380XP; version=SD460; version=SD662; version=SD730; version=SD855; version=SD 8 Gen1 5G; version=SDX55; version=SDX65M; version=SG4150P; version=SG8275P; version=SM4125; version=SM6250; version=SM6250P; version=SM7250P; version=SM8550P; version=Snapdragon 460 Mobile Platform; version=Snapdragon 662 Mobile Platform; version=Snapdragon 675 Mobile Platform; version=Snapdragon 678 Mobile Platform (SM6150-AC); version=Snapdragon 680 4G Mobile Platform; version=Snapdragon 685 4G Mobile Platform (SM6225-AD); version=Snapdragon 720G Mobile Platform; version=Snapdragon 730G Mobile Platform (SM7150-AB); version=Snapdragon 730 Mobile Platform (SM7150-AA); version=Snapdragon 732G Mobile Platform (SM7150-AC); version=Snapdragon 765 5G Mobile Platform (SM7250-AA); version=Snapdragon 765G 5G Mobile Platform (SM7250-AB); version=Snapdragon 768G 5G Mobile Platform (SM7250-AC); version=Snapdragon 7c Compute Platform (SC7180-AC); version=Snapdragon 7c Gen 2 Compute Platform (SC7180-AD) "Rennell Pro"; version=Snapdragon 855+/860 Mobile Platform (SM8150-AC); version=Snapdragon 855 Mobile Platform; version=Snapdragon 8c Compute Platform (SC8180X-AD) "Poipu Lite"; version=Snapdragon 8c Compute Platform (SC8180XP-AD) "Poipu Lite"; version=Snapdragon 8cx Compute Platform (SC8180X-AA, AB); version=Snapdragon 8cx Compute Platform (SC8180XP-AC, AF) "Poipu Pro"; version=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180X-AC, AF) "Poipu Pro"; version=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180XP-AA, AB); version=Snapdragon 8 Gen 1 Mobile Platform; version=Snapdragon 8 Gen 2 Mobile Platform; version=Snapdragon 8+ Gen 2 Mobile Platform; version=Snapdragon 8 Gen 3 Mobile Platform; version=Snapdragon AR2 Gen 1 Platform; version=Snapdragon X50 5G Modem-RF System; version=Snapdragon X55 5G Modem-RF System; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon X72 5G Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=SSG2115P; version=SSG2125P; version=SXR1230P; version=SXR2230P; version=SXR2250P; version=WCD9326; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3910; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; version=WCN7880; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H
Qualcomm · QCC2076 Firmwareversion=*
Qualcomm · IPQ8071A Firmwareversion=*
Qualcomm · IPQ9570 Firmwareversion=*
Qualcomm · FastConnect 6900 Firmwareversion=*
Qualcomm · QCA6554A Firmwareversion=*
Qualcomm · QCM8550 Firmwareversion=*
Qualcomm · QCS8550 Firmwareversion=*
Qualcomm · IPQ8076 Firmwareversion=*
Qualcomm · QCA9888 Firmwareversion=*
Qualcomm · QCA6420 Firmwareversion=*
Qualcomm · QFW7124 Firmwareversion=*
Qualcomm · IPQ8076A Firmwareversion=*
Qualcomm · QCN6224 Firmwareversion=*
Qualcomm · Immersive Home 214 Platform Firmwareversion=*
Qualcomm · IPQ6018 Firmwareversion=*
Qualcomm · Qualcomm QCA6564AU Firmwareversion=*
Qualcomm · QCF8001 Firmwareversion=*
Qualcomm · QCA6574AU Firmwareversion=*
Qualcomm · Immersive Home 316 Platform Firmwareversion=*
Qualcomm · QCA6584AU Firmwareversion=*
Qualcomm · IPQ5302 Firmwareversion=*
Qualcomm · QCN6112 Firmwareversion=*
Qualcomm · QCA8085 Firmwareversion=*
Qualcomm · Qualcomm QCA6574A Firmwareversion=*
Qualcomm · QCN5152 Firmwareversion=*
Qualcomm · QCN9012 Firmwareversion=*
Qualcomm · QCN5024 Firmwareversion=*
Qualcomm · Qualcomm QCA6574 Firmwareversion=*
Qualcomm · IPQ8173 Firmwareversion=*
Qualcomm · Qualcomm QCA6430 Firmwareversion=*
Qualcomm · QCN6402 Firmwareversion=*
Qualcomm · QCM4325 Firmwareversion=*
Qualcomm · QCN6024 Firmwareversion=*
Qualcomm · QCN5164 Firmwareversion=*
Qualcomm · IPQ9574 Firmwareversion=*
Qualcomm · QCN9070 Firmwareversion=*
Qualcomm · QCN6132 Firmwareversion=*
Qualcomm · IPQ8074A Firmwareversion=*
Qualcomm · FastConnect 6200 Firmwareversion=*
Qualcomm · QCA4024 Firmwareversion=*
Qualcomm · AR8035 Firmwareversion=*
Qualcomm · IPQ5300 Firmwareversion=*; version=0
Qualcomm · Immersive Home 216 Platform Firmwareversion=*
Qualcomm · QCN9100 Firmwareversion=*
Qualcomm · QCN9024 Firmwareversion=*
Qualcomm · QCN6422 Firmwareversion=*
Qualcomm · IPQ5332 Firmwareversion=*
Qualcomm · QCC710 Firmwareversion=*
Qualcomm · QAM8775P Firmwareversion=*
Qualcomm · QCN9000 Firmwareversion=*
Qualcomm · AQT1000 Firmwareversion=*
Qualcomm · QCN6023 Firmwareversion=*
Qualcomm · IPQ5010 Firmwareversion=*
Qualcomm · QCA0000 Firmwareversion=*
Qualcomm · QCA6391 Firmwareversion=*
Qualcomm · IPQ9554 Firmwareversion=*
Qualcomm · QCN6432 Firmwareversion=*
Qualcomm · QCA8075 Firmwareversion=*
Qualcomm · QCA8082 Firmwareversion=*
Qualcomm · IPQ9008 Firmwareversion=*
Qualcomm · QCN5154 Firmwareversion=*
Qualcomm · IPQ8072A Firmwareversion=*
Qualcomm · FastConnect 6800 Firmwareversion=*
Qualcomm · IPQ5312 Firmwareversion=*
Qualcomm · QCN5122 Firmwareversion=*
Qualcomm · QCA6696 Firmwareversion=*
Qualcomm · QCC2073 Firmwareversion=*
Qualcomm · QFW7114 Firmwareversion=*
Qualcomm · Immersive Home 3210 Platform Firmwareversion=*
Qualcomm · QCN5124 Firmwareversion=*
Qualcomm · QCN9072 Firmwareversion=*
Qualcomm · QCA9889 Firmwareversion=*
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.
Daily unique IPsNo honeypot observations are available for this CVE in the selected window.
Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed
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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