CVE-2025-21488: qualcomm, inc. snapdragon Buffer Over-read
CVSS: 8.2v3.1HighAnalyzed
Published 24-09-2025Last modified 25-09-2025
Vulnerability summary
CVE-2025-21488 is a high (CVSS 8.2) Buffer Over-read vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 17.2% of scored vulnerabilities.
CVSS score
8.2/10
010
High · v3.1 (CVE.org)EPSS score
0.27%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 24-09-2025PublishedVulnerability first disclosed.
- 25-09-2025Last modifiedVulnerability information updated.
Description
Information disclosure while decoding this RTP packet headers received by UE from the network when the padding bit is set.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.2Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:LSourcesAll 2 agree
- NVDNIST8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
0.00 pp
From 0.27% on 20-09-2026
20-09-202620-10-2026
EPSS score0.27%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Qualcomm106 products
- fastconnect_6200_firmwarena
- fastconnect_6700_firmwarena
- fastconnect_6900_firmwarena
- fastconnect_7800_firmwarena
- msm8996au_firmwarena
Qualcomm, inc.1 product
- snapdragonFastConnect 6200 | FastConnect 6700 | FastConnect 6900 | FastConnect 7800 | MSM8996AU | QCA6564 | QCA6564A | QCA6564AU | QCA6574 | QCA6574A | QCA6574AU | QCA6595AU | QCA6696 | QCM4490 | QCS410 | QCS4490 | QCS610 | QMP1000 | Qualcomm Video Collaboration VC1 Platform | Qualcomm Video Collaboration VC3 Platform | SA6145P | SA6155 | SA6155P | SA8155 | SA8155P | SD 8 Gen1 5G | SD660 | SD670 | SD865 5G | SDM429W | SG4150P | SM4125 | SM4635 | SM6370 | SM6650 | SM7635 | SM7675 | SM7675P | SM8550P | SM8635 | SM8635P | SM8650Q | SM8735 | SM8750 | SM8750P | Snapdragon 4 Gen 1 Mobile Platform | Snapdragon 4 Gen 2 Mobile Platform | Snapdragon 429 Mobile Platform | Snapdragon 460 Mobile Platform | Snapdragon 480 5G Mobile Platform | Snapdragon 480+ 5G Mobile Platform (SM4350-AC) | Snapdragon 660 Mobile Platform | Snapdragon 662 Mobile Platform | Snapdragon 670 Mobile Platform | Snapdragon 680 4G Mobile Platform | Snapdragon 685 4G Mobile Platform (SM6225-AD) | Snapdragon 695 5G Mobile Platform | Snapdragon 710 Mobile Platform | Snapdragon 8+ Gen 1 Mobile Platform | Snapdragon 8+ Gen 2 Mobile Platform | Snapdragon 8 Gen 3 Mobile Platform | Snapdragon 820 Automotive Platform | Snapdragon 845 Mobile Platform | Snapdragon W5+ Gen 1 Wearable Platform | Snapdragon XR1 Platform | Snapdragon XR2 5G Platform | Snapdragon XR2+ Gen 1 Platform | SW5100 | SW5100P | SXR1120 | TalynPlus | WCD9326 | WCD9335 | WCD9340 | WCD9341 | WCD9370 | WCD9375 | WCD9378 | WCD9380 | WCD9385 | WCD9390 | WCD9395 | WCN3620 | WCN3660B | WCN3910 | WCN3950 | WCN3980 | WCN3988 | WCN3990 | WCN6450 | WCN6650 | WCN6740 | WCN6755 | WCN7750 | WCN7860 | WCN7861 | WCN7880 | WCN7881 | WSA8810 | WSA8815 | WSA8830 | WSA8832 | WSA8835 | WSA8840 | WSA8845 | WSA8845H
2 vendors · 107 products