SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-30289

Possible buffer overflow due to lack of range check while processing a DIAG command for COEX management in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon…

HIGH 7.8EPSS 0.16%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Possible buffer overflow due to lack of range check while processing a DIAG command for COEX management in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.16% probability · 5th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-119
Affected
qualcomm/apq8009w firmware · qualcomm/apq8017 firmware · qualcomm/apq8096au firmware · qualcomm/aqt1000 firmware · qualcomm/csrb31024 firmware · qualcomm/fsm10055 firmware · qualcomm/fsm10056 firmware · qualcomm/mdm8207 firmware · qualcomm/mdm9150 firmware · qualcomm/mdm9205 firmware · qualcomm/mdm9206 firmware · qualcomm/mdm9207 firmware · qualcomm/mdm9250 firmware · qualcomm/mdm9607 firmware · qualcomm/mdm9628 firmware · qualcomm/mdm9640 firmware · qualcomm/mdm9650 firmware · qualcomm/msm8909w firmware · qualcomm/msm8996au firmware · qualcomm/qca4004 firmware · +40 more
Source
product-security@qualcomm.com
EPSS trend
0%3%5%26 October 2026: 0.16%26 October 202626 October 2026

EPSS 0.2% 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.