CVE-2025-21458: qualcomm, inc. snapdragon Use After Free
CVSS: 7.8v3.1HighAnalyzed
Published 06-08-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-21458 is a high (CVSS 7.8) Use After Free vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.09% chance of exploitation in the next 30 days, higher than 0.3% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.09%
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 when IOCTL interface is called to map and unmap buffers simultaneously.
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
0.09%
Chance of exploitation in the next 30 days
Percentile
0%
Versus all other CVEs
30-day change
0.00 pp
From 0.09% on 20-09-2026
20-09-202620-10-2026
EPSS score0.09%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Qualcomm24 products
- fastconnect_6900_firmwarena
- qam8255p_firmwarena
- qam8650p_firmwarena
- qam8775p_firmwarena
- qca6174a_firmwarena
Qualcomm, inc.1 product
- snapdragonFastConnect 6900 | QAM8255P | QAM8650P | QAM8775P | QCA6174A | QCA6698AQ | QCA6797AQ | SA7255P | SA7775P | SA8255P | SA8620P | SA8650P | SA8775P | SA9000P | Snapdragon 888 5G Mobile Platform | Snapdragon 888+ 5G Mobile Platform (SM8350-AC) | SW5100 | SW5100P | WCD9380 | WCD9385 | WCN3980 | WCN3988 | WSA8830 | WSA8835
2 vendors · 25 products