CVE-2025-21428: qualcomm, inc. snapdragon Buffer Over-read
CVSS: 7.5v3.1HighAnalyzed
Published 07-04-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-21428 is a high (CVSS 7.5) Buffer Over-read vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 16.4% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 07-04-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
Memory corruption occurs while connecting a STA to an AP and initiating an ADD TS request from the AP to establish a TSpec session.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
0.00 pp
From 0.25% on 21-09-2026
21-09-202621-10-2026
EPSS score0.26%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Qualcomm69 products
- 9206_lte_modem_firmwarena
- apq8017_firmwarena
- ar8031_firmwarena
- c-v2x_9150_firmwarena
- csra6620_firmwarena
Qualcomm, inc.1 product
- snapdragon9206 LTE Modem | APQ8017 | AR8031 | C-V2X 9150 | CSRA6620 | CSRA6640 | FastConnect 6200 | FastConnect 6900 | MDM9250 | MDM9628 | MDM9640 | MDM9650 | MSM8996AU | QCA6174 | QCA6174A | QCA6175A | QCA6554A | QCA6564A | QCA6564AU | QCA6574 | QCA6574A | QCA6574AU | QCA6584 | QCA6584AU | QCA6595 | QCA6595AU | QCA6696 | QCA9367 | QCA9377 | QCA9379 | QCM2150 | QEP8111 | Qualcomm 205 Mobile Platform | Qualcomm 215 Mobile Platform | SA2150P | SD626 | SDM429W | Smart Audio 200 Platform | Smart Audio 400 Platform | Smart Display 200 Platform (APQ5053-AA) | Snapdragon 1200 Wearable Platform | Snapdragon 210 Processor | Snapdragon 212 Mobile Platform | Snapdragon 425 Mobile Platform | Snapdragon 429 Mobile Platform | Snapdragon 439 Mobile Platform | Snapdragon 625 Mobile Platform | Snapdragon 626 Mobile Platform | Snapdragon 632 Mobile Platform | Snapdragon 820 Automotive Platform | Snapdragon Auto 5G Modem-RF | Snapdragon X12 LTE Modem | Snapdragon X35 5G Modem-RF System | Snapdragon X5 LTE Modem | Vision Intelligence 100 Platform (APQ8053-AA) | Vision Intelligence 200 Platform (APQ8053-AC) | WCD9326 | WCD9330 | WCD9335 | WCD9340 | WCN3610 | WCN3615 | WCN3620 | WCN3660B | WCN3680 | WCN3680B | WCN3980 | WSA8810 | WSA8815
2 vendors · 70 products