CVE-2025-21487: qualcomm, inc. snapdragon Buffer Over-read
CVSS: 8.2v3.1HighAnalyzed
Published 24-09-2025Last modified 25-09-2025
Vulnerability summary
CVE-2025-21487 is a high (CVSS 8.2) Buffer Over-read vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 16.6% of scored vulnerabilities.
CVSS score
8.2/10
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
- 24-09-2025PublishedVulnerability first disclosed.
- 25-09-2025Last modifiedVulnerability information updated.
Description
Information disclosure while decoding RTP packet received by UE from the network, when payload length mentioned is greater than the available buffer length.
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
0.26%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
0.00 pp
From 0.26% on 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
Qualcomm199 products
- 205_mobile_platform_firmwarena
- 215_mobile_platform_firmwarena
- apq8017_firmwarena
- apq8064au_firmwarena
- aqt1000_firmwarena
Qualcomm, inc.1 product
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