Vulnerability · Published Sep 24, 2025 · Assigned by qualcomm
CVE-2025-21481Buffer Copy Without Checking Size of Input in HLOS
High 7.8
In plain English
A high-severity buffer overflow 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 0.1% (higher than 0% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)<0.1%top 99.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Memory corruption while performing private key encryption in trusted application.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Qualcomm, Inc. | Snapdragon | 315 5G IoT ModemAQT1000AR8031AR8035C-V2X 9150CSRA6620CSRA6640FastConnect 6200 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H