SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-30341

Improper buffer size validation of DSM packet received can lead to memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT,…

CRITICAL 9.8EPSS 0.81%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Improper buffer size validation of DSM packet received can lead to memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Wearables

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.81% probability · 57th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-787
Affected
qualcomm/apq8009w firmware · qualcomm/apq8096au firmware · qualcomm/aqt1000 firmware · qualcomm/ar8035 firmware · qualcomm/csrb31024 firmware · qualcomm/mdm8207 firmware · qualcomm/mdm9205 firmware · qualcomm/mdm9206 firmware · qualcomm/mdm9207 firmware · qualcomm/mdm9250 firmware · qualcomm/mdm9607 firmware · qualcomm/mdm9628 firmware · qualcomm/mdm9640 firmware · qualcomm/msm8909w firmware · qualcomm/msm8996au firmware · qualcomm/qca4004 firmware · qualcomm/qca6174a firmware · qualcomm/qca6390 firmware · qualcomm/qca6391 firmware · qualcomm/qca6420 firmware · +40 more
Source
product-security@qualcomm.com
EPSS trend
0%3%5%26 October 2026: 0.81%26 October 202626 October 2026

EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.