Transient service interruption via zero-sized RSA modulus
Published Jul 8, 2025 · Updated Jul 8, 2025
Denial of service in Qualcomm Snapdragon SPS-HLOS allows local users to interrupt service by importing a malformed PKCS#8 RSA key. The PKCS#8 import path dereferences a null pointer when the encoded RSA private key supplies a zero-sized modulus. Local execution is required, and the documented consequence is a transient interruption rather than code execution or data access.
Summary
What happened
Denial of service in Qualcomm Snapdragon SPS-HLOS allows local users to interrupt service by importing a malformed PKCS#8 RSA key. The PKCS#8 import path dereferences a null pointer when the encoded RSA private key supplies a zero-sized modulus. Local execution is required, and the documented consequence is a transient interruption rather than code execution or data access.
The record
- CVE
- CVE-2025-21433
- Published
- Jul 8, 2025
- Updated
- Jul 8, 2025
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-476, T1499
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jul 8, 2025CVE publishedPublication date reported by the CVE source.
- Jul 8, 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=APQ8017
- Affected versionversion=APQ8037
- Affected versionversion=AQT1000
- Affected versionversion=AR8035
- Affected versionversion=CSRA6620
- Affected versionversion=CSRA6640
- Affected versionversion=FastConnect 6200
- Affected versionversion=FastConnect 6700
- Affected versionversion=FastConnect 6800
- Affected versionversion=FastConnect 6900
- Affected versionversion=FastConnect 7800
- Affected versionversion=Flight RB5 5G Platform
- Affected versionversion=Home Hub 100 Platform
- Affected versionversion=PM8937
- 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=QCA6420
- Affected versionversion=QCA6421
- Affected versionversion=QCA6426
- Affected versionversion=QCA6430
- Affected versionversion=QCA6431
- Affected versionversion=QCA6436
- 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=QCA6698AU
- Affected versionversion=QCA6797AQ
- Affected versionversion=QCA8081
- Affected versionversion=QCA8337
- Affected versionversion=QCA9379
- Affected versionversion=QCC710
- Affected versionversion=QCM2150
- Affected versionversion=QCM2290
- Affected versionversion=QCM4290
- 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=QCN7606
- Affected versionversion=QCN9011
- Affected versionversion=QCN9012
- Affected versionversion=QCN9024
- Affected versionversion=QCN9274
- Affected versionversion=QCS2290
- Affected versionversion=QCS4290
- 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=QDU1000
- Affected versionversion=QDU1010
- Affected versionversion=QDU1110
- Affected versionversion=QDU1210
- Affected versionversion=QDX1010
- Affected versionversion=QDX1011
- Affected versionversion=QEP8111
- Affected versionversion=QFW7114
- Affected versionversion=QFW7124
- Affected versionversion=QMP1000
- Affected versionversion=QRB5165M
- Affected versionversion=QRB5165N
- Affected versionversion=QRU1032
- Affected versionversion=QRU1052
- Affected versionversion=QRU1062
- Affected versionversion=QSM8350
- Affected versionversion=Qualcomm 215 Mobile Platform
- Affected versionversion=Qualcomm Video Collaboration VC1 Platform
- Affected versionversion=Qualcomm Video Collaboration VC3 Platform
- Affected versionversion=Qualcomm Video Collaboration VC5 Platform
- Affected versionversion=Robotics RB2 Platform
- Affected versionversion=Robotics RB5 Platform
- Affected versionversion=SA4150P
- Affected versionversion=SA4155P
- Affected versionversion=SA6145P
- Affected versionversion=SA6150P
- Affected versionversion=SA6155
- Affected versionversion=SA6155P
- Affected versionversion=SA7255P
- Affected versionversion=SA7775P
- Affected versionversion=SA8145P
- Affected versionversion=SA8150P
- Affected versionversion=SA8155
- 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=SD626
- Affected versionversion=SD670
- Affected versionversion=SD730
- Affected versionversion=SD855
- Affected versionversion=SD865 5G
- Affected versionversion=SD888
- Affected versionversion=SD 8 Gen1 5G
- Affected versionversion=SDM429W
- Affected versionversion=SDX61
- Affected versionversion=SG4150P
- Affected versionversion=SG8275P
- Affected versionversion=SM4125
- Affected versionversion=SM4635
- Affected versionversion=SM6250
- Affected versionversion=SM6370
- Affected versionversion=SM6650
- Affected versionversion=SM6650P
- Affected versionversion=SM7250P
- Affected versionversion=SM7315
- Affected versionversion=SM7325P
- Affected versionversion=SM7635
- Affected versionversion=SM7635P
- Affected versionversion=SM7675
- Affected versionversion=SM7675P
- Affected versionversion=SM8550P
- Affected versionversion=SM8635
- Affected versionversion=SM8635P
- Affected versionversion=SM8650Q
- Affected versionversion=SM8735
- Affected versionversion=SM8750
- Affected versionversion=SM8750P
- Affected versionversion=Smart Audio 400 Platform
- Affected versionversion=Smart Display 200 Platform (APQ5053-AA)
- Affected versionversion=Snapdragon 425 Mobile Platform
- Affected versionversion=Snapdragon 427 Mobile Platform
- Affected versionversion=Snapdragon 429 Mobile Platform
- Affected versionversion=Snapdragon 430 Mobile Platform
- Affected versionversion=Snapdragon 435 Mobile Platform
- Affected versionversion=Snapdragon 439 Mobile Platform
- Affected versionversion=Snapdragon 450 Mobile Platform
- 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 625 Mobile Platform
- Affected versionversion=Snapdragon 626 Mobile Platform
- Affected versionversion=Snapdragon 632 Mobile Platform
- Affected versionversion=Snapdragon 662 Mobile Platform
- Affected versionversion=Snapdragon 665 Mobile Platform
- Affected versionversion=Snapdragon 670 Mobile Platform
- Affected versionversion=Snapdragon 675 Mobile Platform
- Affected versionversion=Snapdragon 678 Mobile Platform (SM6150-AC)
- Affected versionversion=Snapdragon 680 4G Mobile Platform
- Affected versionversion=Snapdragon 685 4G Mobile Platform (SM6225-AD)
- Affected versionversion=Snapdragon 690 5G Mobile Platform
- Affected versionversion=Snapdragon 695 5G Mobile Platform
- Affected versionversion=Snapdragon 710 Mobile Platform
- Affected versionversion=Snapdragon 720G Mobile Platform
- Affected versionversion=Snapdragon 730G Mobile Platform (SM7150-AB)
- Affected versionversion=Snapdragon 730 Mobile Platform (SM7150-AA)
- Affected versionversion=Snapdragon 732G Mobile Platform (SM7150-AC)
- Affected versionversion=Snapdragon 750G 5G Mobile Platform
- Affected versionversion=Snapdragon 765 5G Mobile Platform (SM7250-AA)
- Affected versionversion=Snapdragon 765G 5G Mobile Platform (SM7250-AB)
- Affected versionversion=Snapdragon 768G 5G Mobile Platform (SM7250-AC)
- Affected versionversion=Snapdragon 778G 5G Mobile Platform
- Affected versionversion=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
- Affected versionversion=Snapdragon 780G 5G Mobile Platform
- Affected versionversion=Snapdragon 782G Mobile Platform (SM7325-AF)
- Affected versionversion=Snapdragon 7c+ Gen 3 Compute
- Affected versionversion=Snapdragon 855+/860 Mobile Platform (SM8150-AC)
- Affected versionversion=Snapdragon 855 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 888 5G Mobile Platform
- Affected versionversion=Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
- Affected versionversion=Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB)
- 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 X32 5G Modem-RF System
- Affected versionversion=Snapdragon X35 5G Modem-RF System
- Affected versionversion=Snapdragon X50 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 XR1 Platform
- 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=SXR1120
- Affected versionversion=SXR1230P
- Affected versionversion=SXR2130
- Affected versionversion=SXR2230P
- Affected versionversion=SXR2250P
- Affected versionversion=SXR2330P
- Affected versionversion=TalynPlus
- Affected versionversion=Vision Intelligence 100 Platform (APQ8053-AA)
- Affected versionversion=Vision Intelligence 200 Platform (APQ8053-AC)
- Affected versionversion=WCD9326
- 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=WCN3610
- Affected versionversion=WCN3615
- Affected versionversion=WCN3620
- Affected versionversion=WCN3660
- Affected versionversion=WCN3660B
- Affected versionversion=WCN3680
- Affected versionversion=WCN3680B
- Affected versionversion=WCN3910
- Affected versionversion=WCN3950
- Affected versionversion=WCN3980
- Affected versionversion=WCN3988
- Affected versionversion=WCN3990
- Affected versionversion=WCN6450
- Affected versionversion=WCN6650
- Affected versionversion=WCN6740
- Affected versionversion=WCN6755
- Affected versionversion=WCN7750
- 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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