SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-1979

Possible buffer overflow due to improper validation of FTM command payload in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

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 improper validation of FTM command payload in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

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-787
Affected
qualcomm/aqt1000 firmware · qualcomm/ar8035 firmware · qualcomm/csrb31024 firmware · qualcomm/fsm10055 firmware · qualcomm/fsm10056 firmware · qualcomm/mdm9150 firmware · qualcomm/mdm9250 firmware · qualcomm/mdm9650 firmware · qualcomm/qca6174a firmware · qualcomm/qca6310 firmware · qualcomm/qca6320 firmware · qualcomm/qca6335 firmware · qualcomm/qca6390 firmware · qualcomm/qca6391 firmware · qualcomm/qca6420 firmware · qualcomm/qca6421 firmware · qualcomm/qca6426 firmware · qualcomm/qca6430 firmware · qualcomm/qca6431 firmware · qualcomm/qca6436 firmware · +40 more
Source
product-security@qualcomm.com
EPSS trend
0%3%5%27 October 2026: 0.16%27 October 202627 October 2026

EPSS 0.2% since 27 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.