Local data disclosure and modification via RSA decoding
Published Sep 24, 2025 · Updated Sep 24, 2025
Cryptographic failure in Qualcomm Snapdragon Core firmware allows local users to disclose or modify data during RSA PKCS padding decoding. Qualcomm has not disclosed the exact decoding operation performed incorrectly, the input that reaches it, or the resulting cryptographic failure mode. Exploitation requires local low-privileged access without user interaction, and the published assessment reports no service interruption impact.
Summary
What happened
Cryptographic failure in Qualcomm Snapdragon Core firmware allows local users to disclose or modify data during RSA PKCS padding decoding. Qualcomm has not disclosed the exact decoding operation performed incorrectly, the input that reaches it, or the resulting cryptographic failure mode. Exploitation requires local low-privileged access without user interaction, and the published assessment reports no service interruption impact.
The record
- CVE
- CVE-2025-21482
- Published
- Sep 24, 2025
- Updated
- Sep 24, 2025
- Vendor
- Qualcomm
- Product
- Snapdragon
- Classifications
- CWE-310
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Sep 24, 2025CVE publishedPublication date reported by the CVE source.
- Sep 24, 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=315 5G IoT Modem
- Affected versionversion=9205 LTE Modem
- Affected versionversion=9206 LTE Modem
- Affected versionversion=9207 LTE Modem
- Affected versionversion=APQ8017
- Affected versionversion=APQ8037
- Affected versionversion=APQ8064AU
- Affected versionversion=APQ8092
- Affected versionversion=APQ8094
- Affected versionversion=AQT1000
- Affected versionversion=AR3012
- Affected versionversion=AR7420
- Affected versionversion=AR8031
- Affected versionversion=AR8035
- Affected versionversion=AR9380
- Affected versionversion=CSR8811
- Affected versionversion=CSRA6620
- Affected versionversion=CSRA6640
- Affected versionversion=CSRB31024
- Affected versionversion=C-V2X 9150
- 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=FSM9900
- Affected versionversion=FSM9905
- Affected versionversion=FSM9910
- Affected versionversion=FSM9915
- Affected versionversion=FSM9916
- Affected versionversion=FSM9950
- Affected versionversion=FSM9955
- Affected versionversion=Home Hub 100 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=IPQ5300
- Affected versionversion=IPQ5302
- Affected versionversion=IPQ5312
- Affected versionversion=IPQ5332
- Affected versionversion=IPQ6000
- Affected versionversion=IPQ6005
- Affected versionversion=IPQ6010
- Affected versionversion=IPQ6018
- Affected versionversion=IPQ6028
- Affected versionversion=IPQ8062
- Affected versionversion=IPQ8064
- Affected versionversion=IPQ8065
- Affected versionversion=IPQ8066
- Affected versionversion=IPQ8068
- Affected versionversion=IPQ8069
- Affected versionversion=IPQ8070
- Affected versionversion=IPQ8070A
- Affected versionversion=IPQ8071
- Affected versionversion=IPQ8071A
- Affected versionversion=IPQ8072
- Affected versionversion=IPQ8072A
- Affected versionversion=IPQ8074
- 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=IPQ9048
- Affected versionversion=IPQ9554
- Affected versionversion=IPQ9570
- Affected versionversion=IPQ9574
- Affected versionversion=MDM8207
- Affected versionversion=MDM9205S
- Affected versionversion=MDM9250
- Affected versionversion=MDM9628
- Affected versionversion=MDM9640
- Affected versionversion=MDM9645
- Affected versionversion=MDM9650
- Affected versionversion=MSM8996AU
- Affected versionversion=PM8937
- Affected versionversion=PMP8074
- 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=QXM8083
- Affected versionversion=Robotics RB2 Platform
- Affected versionversion=Robotics RB3 Platform
- Affected versionversion=Robotics RB5 Platform
- Affected versionversion=SA2150P
- 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=SC8180X+SDX55
- Affected versionversion=SC8380XP
- Affected versionversion=SD 455
- Affected versionversion=SD460
- Affected versionversion=SD626
- Affected versionversion=SD660
- Affected versionversion=SD662
- Affected versionversion=SD670
- Affected versionversion=SD675
- Affected versionversion=SD 675
- Affected versionversion=SD730
- Affected versionversion=SD820
- Affected versionversion=SD821
- Affected versionversion=SD835
- Affected versionversion=SD855
- Affected versionversion=SD865 5G
- Affected versionversion=SD888
- Affected versionversion=SD 8CX
- Affected versionversion=SD 8 Gen1 5G
- Affected versionversion=SDM429W
- Affected versionversion=SDX20M
- Affected versionversion=SDX55
- Affected versionversion=SDX57M
- Affected versionversion=SDX61
- Affected versionversion=SDX65M
- Affected versionversion=SDX71M
- Affected versionversion=SDX80M
- Affected versionversion=SG4150P
- Affected versionversion=SG8275P
- Affected versionversion=SM4125
- Affected versionversion=SM4635
- Affected versionversion=SM6250
- Affected versionversion=SM6250P
- Affected versionversion=SM6370
- Affected versionversion=SM6650
- Affected versionversion=SM7250P
- Affected versionversion=SM7315
- Affected versionversion=SM7325P
- Affected versionversion=SM7635
- 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 1100 Wearable Platform
- Affected versionversion=Snapdragon 1200 Wearable Platform
- 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 4 Gen 1 Mobile Platform
- Affected versionversion=Snapdragon 4 Gen 2 Mobile Platform
- 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 8c Compute Platform (SC8180X-AD) "Poipu Lite"
- Affected versionversion=Snapdragon 8c Compute Platform (SC8180XP-AD) "Poipu Lite"
- Affected versionversion=Snapdragon 8cx Compute Platform (SC8180X-AA, AB)
- Affected versionversion=Snapdragon 8cx Compute Platform (SC8180XP-AC, AF) "Poipu Pro"
- Affected versionversion=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180X-AC, AF) "Poipu Pro"
- Affected versionversion=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180XP-AA, AB)
- Affected versionversion=Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB)
- 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 4G Modem
- Affected versionversion=Snapdragon Auto 5G Modem-RF
- Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
- Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
- Affected versionversion=Snapdragon Wear 1300 Platform
- Affected versionversion=Snapdragon Wear 4100+ Platform
- Affected versionversion=Snapdragon X12 LTE Modem
- Affected versionversion=Snapdragon X20 LTE Modem
- Affected versionversion=Snapdragon X24 LTE Modem
- 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 X5 LTE Modem
- Affected versionversion=Snapdragon X62 5G Modem-RF System
- Affected versionversion=Snapdragon X65 5G Modem-RF System
- Affected versionversion=Snapdragon X70 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=Vision Intelligence 300 Platform
- Affected versionversion=Vision Intelligence 400 Platform
- Affected versionversion=WCD9306
- Affected versionversion=WCD9326
- Affected versionversion=WCD9330
- Affected versionversion=WCD9335
- Affected versionversion=WCD9340
- Affected versionversion=WCD9341
- Affected versionversion=WCD9360
- Affected versionversion=WCD9370
- Affected versionversion=WCD9371
- 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=WCN3999
- 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.
Weakness, pattern, technique
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
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