CVE-2021-1966: Buffer Overflow
Published Oct 20, 2021
·Updated
Possible buffer overflow due to lack of length check of source and destination buffer before copying in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music
Affected Software
130 affected components
Qualcomm Aqt1000 Firmware
Qualcomm Aqt1000
Qualcomm Ar8031 Firmware
Qualcomm Ar8031
Qualcomm Ar8035 Firmware
Qualcomm Ar8035
Qualcomm Csra6620 Firmware
Qualcomm Csra6620
Qualcomm Csra6640 Firmware
Qualcomm Csra6640
Qualcomm Fsm10055 Firmware
Qualcomm Fsm10055
Qualcomm Fsm10056 Firmware
Qualcomm Fsm10056
Qualcomm Qca6390 Firmware
Qualcomm Qca6390
Qualcomm Qca6391 Firmware
Qualcomm Qca6391
Qualcomm Qca6420 Firmware
Qualcomm Qca6420
Qualcomm Qca6430 Firmware
Qualcomm Qca6430
Qualcomm Qca6574 Firmware
Qualcomm QCA6574
Qualcomm Qca6574a Firmware
Qualcomm Qca6574a
Qualcomm Qca6574au Firmware
Qualcomm QCA6574AU
Qualcomm Qca6595 Firmware
Qualcomm Qca6595
Qualcomm Qca6595au Firmware
Qualcomm Qca6595au
Qualcomm Qca6696 Firmware
Qualcomm Qca6696
Qualcomm Qca8337 Firmware
Qualcomm Qca8337
Qualcomm Qcm6125 Firmware
Qualcomm Qcm6125
Qualcomm Qcs405 Firmware
Qualcomm QCS405
Qualcomm Qcs410 Firmware
Qualcomm Qcs410
Qualcomm Qcs610 Firmware
Qualcomm Qcs610
Qualcomm Qcs6125 Firmware
QUALCOMM Qcs6125
Qualcomm Sa6145p Firmware
Qualcomm Sa6145p
Qualcomm Sa6150p Firmware
Qualcomm Sa6150p
Qualcomm Sa6155 Firmware
Qualcomm Sa6155
Qualcomm Sa6155p Firmware
Qualcomm Sa6155p
Qualcomm Sa8145p Firmware
Qualcomm Sa8145p
Qualcomm Sa8150p Firmware
Qualcomm Sa8150p
Qualcomm Sa8155 Firmware
Qualcomm Sa8155
Qualcomm Sa8155p Firmware
Qualcomm Sa8155p
Qualcomm Sa8195p Firmware
Qualcomm Sa8195p
Qualcomm Sd 8c Firmware
Qualcomm Sd 8c
Qualcomm Sd 8cx Firmware
Qualcomm SD 8CX
Qualcomm Sd665 Firmware
Qualcomm Sd665
Qualcomm Sd690 5g Firmware
Qualcomm Sd690 5g
Qualcomm Sd750g Firmware
Qualcomm Sd750g
Qualcomm Sd765 Firmware
Qualcomm Sd765
Qualcomm Sd765g Firmware
Qualcomm Sd765g
Qualcomm Sd768g Firmware
Qualcomm Sd768g
Qualcomm Sd855 Firmware
Qualcomm Sd855
Qualcomm Sd865 5g Firmware
Qualcomm Sd865 5g
Qualcomm Sd870 Firmware
Qualcomm Sd870
Qualcomm Sdx55 Firmware
Qualcomm Sdx55
Qualcomm Sdx55m Firmware
Qualcomm Sdx55m
Qualcomm Sm7250 Firmware
Qualcomm Sm7250
Qualcomm Wcd9335 Firmware
Qualcomm Wcd9335
Qualcomm Wcd9340 Firmware
Qualcomm Wcd9340
Qualcomm Wcd9341 Firmware
Qualcomm Wcd9341
Qualcomm Wcd9370 Firmware
Qualcomm Wcd9370
Qualcomm Wcd9375 Firmware
Qualcomm Wcd9375
Qualcomm Wcd9380 Firmware
Qualcomm Wcd9380
Qualcomm Wcd9385 Firmware
Qualcomm Wcd9385
Qualcomm Wcn3950 Firmware
Qualcomm Wcn3950
Qualcomm Wcn3980 Firmware
Qualcomm Wcn3980
Qualcomm Wcn3988 Firmware
Qualcomm Wcn3988
Qualcomm Wcn3991 Firmware
Qualcomm Wcn3991
Qualcomm Wcn3998 Firmware
Qualcomm Wcn3998
Qualcomm Wcn3999 Firmware
Qualcomm Wcn3999
Qualcomm Wcn6850 Firmware
Qualcomm Wcn6850
Qualcomm Wcn6851 Firmware
Qualcomm Wcn6851
Qualcomm Wsa8810 Firmware
Qualcomm Wsa8810
Qualcomm Wsa8815 Firmware
Qualcomm Wsa8815
Qualcomm Wsa8830 Firmware
Qualcomm Wsa8830
Qualcomm Wsa8835 Firmware
Qualcomm Wsa8835
Remediation
Event History
Oct 20, 2021
CVE Published
via MITRE·06:31 AM
Data Sourced
via MITRE·06:31 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2021-1966?
CVE-2021-1966 is considered a high severity vulnerability due to the potential for buffer overflow.
2
How do I fix CVE-2021-1966?
To fix CVE-2021-1966, ensure to apply any available firmware updates provided by Qualcomm for the affected devices.
3
Which devices are affected by CVE-2021-1966?
CVE-2021-1966 affects various Qualcomm firmware, including the aqt1000, ar8031, ar8035, and csra6640 models.
4
What can happen if I don't address CVE-2021-1966?
If CVE-2021-1966 is not addressed, it could lead to unauthorized access or system instability due to buffer overflow conditions.
5
When was CVE-2021-1966 reported?
CVE-2021-1966 was reported in October 2021 as part of Qualcomm's security bulletins.