CVE-2025-21455: qualcomm, inc. snapdragon
CVSS: 7.8v3.1HighAnalyzed
Published 06-08-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-21455 is a high (CVSS 7.8) 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
- 06-08-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
Memory corruption while submitting blob data to kernel space though IOCTL.
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 21-09-2026
21-09-202621-10-2026
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
Qualcomm29 products
- fastconnect_6800_firmwarena
- fastconnect_6900_firmwarena
- fastconnect_7800_firmwarena
- qca6391_firmwarena
- qca6426_firmwarena
Qualcomm, inc.1 product
- snapdragonFastConnect 6800 | FastConnect 6900 | FastConnect 7800 | QCA6391 | QCA6426 | QCA6436 | QSM8250 | SD865 5G | SDX55 | Snapdragon 8 Gen 1 Mobile Platform | Snapdragon 865 5G Mobile Platform | Snapdragon 865+ 5G Mobile Platform (SM8250-AB) | Snapdragon 870 5G Mobile Platform (SM8250-AC) | Snapdragon X55 5G Modem-RF System | Snapdragon XR2 5G Platform | SW5100 | SW5100P | SXR2130 | SXR2230P | SXR2250P | WCD9380 | WCD9385 | WCN3980 | WCN3988 | WSA8810 | WSA8815 | WSA8830 | WSA8832 | WSA8835
2 vendors · 30 products