CVE-2025-21468: qualcomm, inc. snapdragon Out-of-bounds Write
CVSS: 7.8v3.1HighAnalyzed
Published 06-05-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-21468 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.11%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-05-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
Memory corruption while reading response from FW, when buffer size is changed by FW while driver is using this size to write null character at the end of buffer.
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
0.11%
Chance of exploitation in the next 30 days
Percentile
1%
Versus all other CVEs
30-day change
0.00 pp
From 0.10% on 20-09-2026
20-09-202620-10-2026
EPSS score0.11%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Qualcomm146 products
- ar8035_firmwarena
- csra6620_firmwarena
- csra6640_firmwarena
- fastconnect_6200_firmwarena
- fastconnect_6700_firmwarena
Qualcomm, inc.1 product
- snapdragonAR8035 | CSRA6620 | CSRA6640 | FastConnect 6200 | FastConnect 6700 | FastConnect 6900 | FastConnect 7800 | Flight RB5 5G Platform | MDM9628 | QAM8295P | QCA6174A | QCA6391 | QCA6564A | QCA6564AU | QCA6574 | QCA6574A | QCA6574AU | QCA6595 | QCA6595AU | QCA6696 | QCA6698AQ | QCA8081 | QCA8337 | QCA9377 | QCM4490 | QCM5430 | QCM6490 | QCM8550 | QCN6024 | QCN9011 | QCN9012 | QCN9024 | QCN9274 | QCS410 | QCS4490 | QCS5430 | QCS610 | QCS615 | QCS6490 | QCS7230 | QCS8250 | QCS8300 | QCS8550 | QCS9100 | QMP1000 | QRB5165M | QRB5165N | QSM8350 | Qualcomm Video Collaboration VC1 Platform | Qualcomm Video Collaboration VC3 Platform | Qualcomm Video Collaboration VC5 Platform | Robotics RB2 Platform | Robotics RB5 Platform | SA4150P | SA4155P | SA6145P | SA6150P | SA6155P | SA8145P | SA8150P | SA8155P | SA8195P | SA8295P | SA8530P | SA8540P | SA9000P | SD 8 Gen1 5G | SD888 | SDX61 | SG8275P | SM6370 | SM6650 | SM6650P | SM7315 | SM7325P | SM7635 | SM7675 | SM7675P | SM8550P | SM8635 | SM8635P | SM8650Q | SM8735 | SM8750 | SM8750P | Smart Audio 400 Platform | Snapdragon 4 Gen 1 Mobile Platform | Snapdragon 4 Gen 2 Mobile Platform | Snapdragon 480 5G Mobile Platform | Snapdragon 480+ 5G Mobile Platform (SM4350-AC) | Snapdragon 695 5G Mobile Platform | 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+ Gen 3 Compute | Snapdragon 8+ Gen 1 Mobile Platform | Snapdragon 8+ Gen 2 Mobile Platform | Snapdragon 8 Gen 3 Mobile Platform | Snapdragon 888 5G Mobile Platform | Snapdragon 888+ 5G Mobile Platform (SM8350-AC) | Snapdragon AR1 Gen 1 Platform | Snapdragon AR1 Gen 1 Platform "Luna1" | Snapdragon AR2 Gen 1 Platform | Snapdragon Auto 5G Modem-RF | Snapdragon W5+ Gen 1 Wearable Platform | Snapdragon X12 LTE Modem | Snapdragon X62 5G Modem-RF System | Snapdragon X65 5G Modem-RF System | SSG2115P | SSG2125P | SW5100 | SW5100P | SXR1230P | SXR2230P | SXR2250P | SXR2330P | TalynPlus | Vision Intelligence 400 Platform | WCD9335 | WCD9341 | WCD9370 | WCD9375 | WCD9378 | WCD9380 | WCD9385 | WCD9390 | WCD9395 | WCN3910 | WCN3950 | WCN3980 | WCN3988 | WCN3990 | WCN6450 | WCN6650 | WCN6740 | WCN6755 | WCN7750 | WCN7860 | WCN7861 | WCN7880 | WCN7881 | WSA8810 | WSA8815 | WSA8830 | WSA8832 | WSA8835 | WSA8840 | WSA8845 | WSA8845H
2 vendors · 147 products