Vulnerability · Published Aug 6, 2025 · Assigned by qualcomm
CVE-2025-21477Improper Input Validation in Modem
High 7.5
In plain English
A high-severity improper input validation in Snapdragon from Qualcomm, Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.2%top 85.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Transient DOS while processing CCCH data when NW sends data with invalid length.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Qualcomm, Inc. | Snapdragon | 315 5G IoT ModemAR8035FastConnect 6200FastConnect 6700FastConnect 6800FastConnect 6900FastConnect 7800QCA6391 |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H