7.5

CVE-2025-21477: qualcomm, inc. snapdragon Improper Input Validation

CVSS: 7.5v3.1HighAnalyzed
Published 06-08-2025Last modified 06-08-2025

Vulnerability summary

CVE-2025-21477 is a high (CVSS 7.5) Improper Input Validation vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.4% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.22%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 06-08-2025
    PublishedVulnerability first disclosed.
  2. 06-08-2025
    Last modifiedVulnerability information updated.

Description

Transient DOS while processing CCCH data when NW sends data with invalid length.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

+0.01 pp

From 0.21% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Qualcomm87 products
Qualcomm, inc.1 product
  • snapdragon315 5G IoT Modem | AR8035 | FastConnect 6200 | FastConnect 6700 | FastConnect 6800 | FastConnect 6900 | FastConnect 7800 | QCA6391 | QCA6574A | QCA6584AU | QCA6595AU | QCA6696 | QCA6698AQ | QCA8081 | QCA8337 | QCC710 | QCM5430 | QCM6490 | QCN6024 | QCN6224 | QCN6274 | QCN9024 | QCS5430 | QCS6490 | QCS8550 | QFW7114 | QFW7124 | Qualcomm Video Collaboration VC3 Platform | SDX55 | SDX57M | SG8275P | SM7250P | SM7325P | SM7675 | SM7675P | SM8550P | SM8635 | SM8635P | Snapdragon 4 Gen 1 Mobile Platform | Snapdragon 480 5G Mobile Platform | Snapdragon 480+ 5G Mobile Platform (SM4350-AC) | Snapdragon 690 5G Mobile Platform | Snapdragon 695 5G Mobile Platform | Snapdragon 765 5G Mobile Platform (SM7250-AA) | Snapdragon 765G 5G Mobile Platform (SM7250-AB) | Snapdragon 768G 5G Mobile Platform (SM7250-AC) | 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 865 5G Mobile Platform | Snapdragon 865+ 5G Mobile Platform (SM8250-AB) | Snapdragon 870 5G Mobile Platform (SM8250-AC) | Snapdragon 888 5G Mobile Platform | Snapdragon 888+ 5G Mobile Platform (SM8350-AC) | Snapdragon Auto 5G Modem-RF | Snapdragon Auto 5G Modem-RF Gen 2 | Snapdragon X55 5G Modem-RF System | Snapdragon X62 5G Modem-RF System | Snapdragon X65 5G Modem-RF System | Snapdragon X70 Modem-RF System | Snapdragon X72 5G Modem-RF System | Snapdragon X75 5G Modem-RF System | WCD9340 | WCD9341 | WCD9360 | WCD9370 | WCD9375 | WCD9380 | WCD9385 | WCD9390 | WCD9395 | WCN3988 | WCN6740 | WCN6755 | WSA8810 | WSA8815 | WSA8830 | WSA8832 | WSA8835 | WSA8840 | WSA8845 | WSA8845H

2 vendors · 88 products

References

1 links