CVE-2025-21429: qualcomm, inc. snapdragon Buffer Over-read
CVSS: 7.5v3.1HighAnalyzed
Published 07-04-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-21429 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 16.9% 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.
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
17%
Versus all other CVEs
30-day change
0.00 pp
From 0.26% on 20-09-2026
20-09-202620-10-2026
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
Qualcomm182 products
Qualcomm, inc.1 product
- snapdragon9206 LTE Modem | APQ8017 | APQ8064AU | AQT1000 | AR8035 | C-V2X 9150 | CSRA6620 | CSRA6640 | CSRB31024 | FastConnect 6200 | FastConnect 6700 | FastConnect 6800 | FastConnect 6900 | FastConnect 7800 | MDM9250 | MDM9628 | MDM9640 | MDM9650 | MSM8996AU | QAM8255P | QAM8650P | QAM8775P | QCA6174A | QCA6175A | QCA6391 | QCA6420 | QCA6421 | QCA6426 | QCA6430 | QCA6431 | QCA6436 | QCA6554A | QCA6564 | QCA6564A | QCA6564AU | QCA6574 | QCA6574A | QCA6574AU | QCA6584AU | QCA6595 | QCA6595AU | QCA6678AQ | QCA6696 | QCA6698AQ | QCA6777AQ | QCA6787AQ | QCA6797AQ | QCA8081 | QCA8337 | QCA9367 | QCA9377 | QCC2073 | QCC2076 | QCM2290 | QCM4290 | QCM5430 | QCM6125 | QCM6490 | QCN6024 | QCN9024 | QCN9074 | QCS2290 | QCS410 | QCS4290 | QCS5430 | QCS610 | QCS6125 | QCS6490 | Qualcomm 205 Mobile Platform | Qualcomm Video Collaboration VC1 Platform | Qualcomm Video Collaboration VC3 Platform | SA2150P | SA4150P | SA4155P | SA6145P | SA6150P | SA6155 | SA6155P | SA8145P | SA8150P | SA8155 | SA8155P | SA8195P | SA8530P | SA8540P | SA9000P | SD626 | SD660 | SD670 | SD730 | SD855 | SD865 5G | SDM429W | SDX55 | SDX61 | SM4125 | SM6250 | SM6370 | 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 4 Gen 1 Mobile Platform | Snapdragon 429 Mobile Platform | Snapdragon 460 Mobile Platform | Snapdragon 480 5G Mobile Platform | Snapdragon 480+ 5G Mobile Platform (SM4350-AC) | Snapdragon 625 Mobile Platform | Snapdragon 626 Mobile Platform | Snapdragon 660 Mobile Platform | Snapdragon 662 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 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 8 Gen 3 Mobile Platform | Snapdragon 8+ Gen 1 Mobile Platform | Snapdragon 820 Automotive 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 Auto 5G Modem-RF | Snapdragon Auto 5G Modem-RF Gen 2 | Snapdragon W5+ Gen 1 Wearable Platform | Snapdragon X24 LTE Modem | Snapdragon X5 LTE Modem | 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 XR1 Platform | Snapdragon XR2 5G Platform | Snapdragon XR2+ Gen 1 Platform | Snapdragon Auto 4G Modem | SW5100 | SW5100P | SXR1120 | SXR2130 | SXR2230P | SXR2250P | Vision Intelligence 100 Platform (APQ8053-AA) | Vision Intelligence 200 Platform (APQ8053-AC) | WCD9326 | WCD9330 | WCD9335 | WCD9341 | WCD9360 | WCD9370 | WCD9375 | WCD9380 | WCD9385 | WCD9390 | WCD9395 | WCN3610 | WCN3615 | WCN3620 | WCN3660B | WCN3680B | WCN3910 | WCN3950 | WCN3980 | WCN3988 | WCN3990 | WSA8810 | WSA8815 | WSA8830 | WSA8832 | WSA8835 | WSA8840 | WSA8845 | WSA8845H
2 vendors · 183 products