CVE-2025-21481: qualcomm, inc. snapdragon Classic Buffer Overflow
CVSS: 7.8v3.1HighAnalyzed
Published 24-09-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-21481 is a high (CVSS 7.8) Classic Buffer Overflow vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.07% chance of exploitation in the next 30 days, higher than 0% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.07%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 24-09-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
Memory corruption while performing private key encryption in trusted application.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.07%
Chance of exploitation in the next 30 days
Percentile
0%
Versus all other CVEs
30-day change
0.00 pp
From 0.07% on 20-09-2026
20-09-202620-10-2026
EPSS score0.07%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Qualcomm199 products
- 315_5g_iot_modem_firmwarena
- aqt1000_firmwarena
- ar8031_firmwarena
- ar8035_firmwarena
- c-v2x_9150_firmwarena
Qualcomm, inc.1 product
- snapdragon315 5G IoT Modem | AQT1000 | AR8031 | AR8035 | C-V2X 9150 | CSRA6620 | CSRA6640 | FastConnect 6200 | FastConnect 6700 | FastConnect 6800 | FastConnect 6900 | FastConnect 7800 | Flight RB5 5G Platform | QAM8255P | QAM8295P | QAM8620P | QAM8650P | QAM8775P | QAMSRV1H | QAMSRV1M | QCA6174A | QCA6391 | QCA6420 | QCA6421 | QCA6426 | QCA6430 | QCA6431 | QCA6436 | QCA6574 | QCA6574A | QCA6574AU | QCA6584AU | QCA6595 | QCA6595AU | QCA6678AQ | QCA6688AQ | QCA6696 | QCA6698AQ | QCA6797AQ | QCA8081 | QCA8337 | QCC710 | QCM2290 | QCM4290 | QCM5430 | QCM6125 | QCM6490 | QCM8550 | QCN6024 | QCN6224 | QCN6274 | QCN7606 | QCN9024 | QCN9074 | QCN9274 | QCS2290 | QCS410 | QCS4290 | QCS5430 | QCS610 | QCS6125 | QCS6490 | QCS8300 | QCS8550 | QCS9100 | QDU1000 | QDU1010 | QDU1110 | QDU1210 | QDX1010 | QDX1011 | QEP8111 | QFW7114 | QFW7124 | QMP1000 | QRB5165M | QRB5165N | QRU1032 | QRU1052 | QRU1062 | QSM8250 | QSM8350 | Qualcomm Video Collaboration VC1 Platform | Qualcomm Video Collaboration VC3 Platform | Robotics RB2 Platform | Robotics RB5 Platform | SA2150P | SA4150P | SA4155P | SA6145P | SA6150P | SA6155 | SA6155P | SA7255P | SA7775P | SA8145P | SA8150P | SA8155 | SA8155P | SA8195P | SA8255P | SA8295P | SA8530P | SA8540P | SA8620P | SA8650P | SA8770P | SA8775P | SA9000P | SC8180X+SDX55 | SC8380XP | SD 675 | SD 8 Gen1 5G | SD670 | SD675 | SD730 | SD855 | SD865 5G | SD888 | SDX55 | SDX61 | SG4150P | SM4125 | SM4635 | SM6250 | SM6250P | SM6370 | SM6650 | SM7250P | SM7315 | SM7325P | SM7635 | SM7675 | SM7675P | SM8635 | SM8635P | SM8650Q | SM8735 | SM8750 | SM8750P | Smart Audio 400 Platform | Snapdragon 4 Gen 1 Mobile Platform | Snapdragon 460 Mobile Platform | Snapdragon 480 5G Mobile Platform | Snapdragon 480+ 5G Mobile Platform (SM4350-AC) | Snapdragon 662 Mobile Platform | Snapdragon 665 Mobile Platform | Snapdragon 670 Mobile Platform | Snapdragon 675 Mobile Platform | Snapdragon 678 Mobile Platform (SM6150-AC) | Snapdragon 680 4G Mobile Platform | Snapdragon 685 4G Mobile Platform (SM6225-AD) | Snapdragon 690 5G Mobile Platform | Snapdragon 695 5G Mobile Platform | Snapdragon 710 Mobile Platform | Snapdragon 720G Mobile Platform | Snapdragon 730 Mobile Platform (SM7150-AA) | Snapdragon 730G Mobile Platform (SM7150-AB) | Snapdragon 732G Mobile Platform (SM7150-AC) | Snapdragon 750G 5G Mobile Platform | Snapdragon 765 5G Mobile Platform (SM7250-AA) | Snapdragon 765G 5G Mobile Platform (SM7250-AB) | Snapdragon 768G 5G Mobile Platform (SM7250-AC) | Snapdragon 778G 5G Mobile Platform | Snapdragon 778G+ 5G Mobile Platform (SM7325-AE) | Snapdragon 780G 5G Mobile Platform | Snapdragon 782G Mobile Platform (SM7325-AF) | Snapdragon 7c Compute Platform (SC7180-AC) | Snapdragon 7c Gen 2 Compute Platform (SC7180-AD) "Rennell Pro" | Snapdragon 7c+ Gen 3 Compute | Snapdragon 8 Gen 1 Mobile Platform | Snapdragon 8 Gen 3 Mobile Platform | Snapdragon 855 Mobile Platform | Snapdragon 855+/860 Mobile Platform (SM8150-AC) | Snapdragon 865 5G Mobile Platform | Snapdragon 865+ 5G Mobile Platform (SM8250-AB) | Snapdragon 870 5G Mobile Platform (SM8250-AC) | Snapdragon 888 5G Mobile Platform | Snapdragon 888+ 5G Mobile Platform (SM8350-AC) | Snapdragon 8c Compute Platform (SC8180X-AD) "Poipu Lite" | Snapdragon 8c Compute Platform (SC8180XP-AD) "Poipu Lite" | Snapdragon 8cx Compute Platform (SC8180X-AA, AB) | Snapdragon 8cx Compute Platform (SC8180XP-AC, AF) "Poipu Pro" | Snapdragon 8cx Gen 2 5G Compute Platform (SC8180X-AC, AF) "Poipu Pro" | Snapdragon 8cx Gen 2 5G Compute Platform (SC8180XP-AA, AB) | Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB) | Snapdragon Auto 5G Modem-RF | Snapdragon Auto 5G Modem-RF Gen 2 | Snapdragon W5+ Gen 1 Wearable Platform | Snapdragon X35 5G Modem-RF System | Snapdragon X50 5G Modem-RF System | Snapdragon X55 5G Modem-RF System | Snapdragon X62 5G Modem-RF System | Snapdragon X65 5G Modem-RF System | Snapdragon X72 5G Modem-RF System | Snapdragon X75 5G Modem-RF System | Snapdragon XR1 Platform | Snapdragon XR2 5G Platform | Snapdragon XR2+ Gen 1 Platform | Snapdragon Auto 4G Modem | SRV1H | SRV1L | SRV1M | SW5100 | SW5100P | SXR1120 | SXR2130 | SXR2330P | WCD9326 | WCD9335 | WCD9340 | WCD9341 | WCD9360 | WCD9370 | WCD9371 | WCD9375 | WCD9378 | WCD9380 | WCD9385 | WCD9390 | WCD9395 | WCN3910 | WCN3950 | WCN3980 | WCN3988 | WCN3990 | WCN3999 | WCN6450 | WCN6650 | WCN6740 | WCN6755 | WCN7750 | WCN7860 | WCN7861 | WCN7880 | WCN7881 | WSA8810 | WSA8815 | WSA8830 | WSA8832 | WSA8835 | WSA8840 | WSA8845 | WSA8845H
2 vendors · 200 products · Showing 200 of 250. Use Open JSON for the complete list.