High severity · published Jan 9, 2023
CVE-2022-40520
Memory corruption due to stack-based buffer overflow in Core
7.8
CVSS
0.7%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Apq8064au Firmware · Qualcomm
All versions, or not specified · source: NVD
AF
Apq8096au Firmware · Qualcomm
All versions, or not specified · source: NVD
AF
Aqt1000 Firmware · Qualcomm
All versions, or not specified · source: NVD
AF
Ar8035 Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Csrb31024 Firmware · Qualcomm
All versions, or not specified · source: NVD
FF
Fsm10056 Firmware · Qualcomm
All versions, or not specified · source: NVD
MF
Mdm9150 Firmware · Qualcomm
All versions, or not specified · source: NVD
MF
Mdm9205 Firmware · Qualcomm
All versions, or not specified · source: NVD
MF
Mdm9640 Firmware · Qualcomm
All versions, or not specified · source: NVD
MF
Mdm9650 Firmware · Qualcomm
All versions, or not specified · source: NVD
MF
Msm8996au Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qam8295p Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-40520
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-40520
Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/january-2023-bulletin
More from Apq8064au Firmware
7.8
CVE-2023-33107
Integer Overflow or Wraparound in Graphics Linux
7.8
CVE-2020-11261
Qualcomm Multiple Chipsets Improper Input Validation Vulnerability
7.8
CVE-2021-1905
Qualcomm Multiple Chipsets Use-After-Free Vulnerability
5.5
CVE-2021-1906
Qualcomm Multiple Chipsets Detection of Error Condition Without Action Vulnerability
9.8
CVE-2025-21483
Memory corruption when the UE receives an RTP packet from the network, during the reassembly of NALUs