CVE-2022-40520: qualcomm, inc. snapdragon Out-of-bounds Write
CVSS: 8.4v3.1HighModified
Published 06-01-2023Last modified 09-04-2025
Vulnerability summary
CVE-2022-40520 is a high (CVSS 8.4) Out-of-bounds Write vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.5% of scored vulnerabilities.
CVSS score
8.4/10
010
High · v3.1 (CVE.org)EPSS score
0.70%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-01-2023PublishedVulnerability first disclosed.
- 09-04-2025Last modifiedVulnerability information updated.
Description
Memory corruption due to stack-based buffer overflow in Core
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources2 sources · 7.8–8.4
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.70%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
0.00 pp
From 0.70% on 21-09-2026
21-09-202621-10-2026
EPSS score0.70%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Qualcomm147 products
Qualcomm, inc.1 product
- snapdragonAPQ8064AU | APQ8096AU | AQT1000 | AR8035 | CSRB31024 | FSM10056 | MDM9150 | MDM9205 | MDM9640 | MDM9650 | MSM8996AU | QAM8295P | QCA4004 | QCA6174A | QCA6310 | QCA6320 | QCA6335 | QCA6390 | QCA6391 | QCA6420 | QCA6421 | QCA6426 | QCA6430 | QCA6431 | QCA6436 | QCA6564 | QCA6564A | QCA6564AU | QCA6574 | QCA6574A | QCA6574AU | QCA6584AU | QCA6595 | QCA6595AU | QCA6696 | QCA8081 | QCA8337 | QCA9377 | QCM6490 | QCN6024 | QCN9011 | QCN9012 | QCN9024 | QCS410 | QCS603 | QCS605 | QCS610 | QCS6490 | QCS8155 | QCX315 | QRB5165 | QRB5165M | QRB5165N | QSM8250 | QSM8350 | SA4150P | SA4155P | SA415M | SA515M | SA6145P | SA6150P | SA6155 | SA6155P | SA8145P | SA8150P | SA8155 | SA8155P | SA8195P | SA8295P | SA8540P | SA9000P | SC8180X+SDX55 | SD 455 | SD 636 | SD 675 | SD 8 Gen1 5G | SD 8CX | SD 8cx Gen2 | SD 8cx Gen3 | SD660 | SD670 | SD675 | SD678 | SD690 5G | SD710 | SD712 | SD720G | SD730 | SD750G | SD765 | SD765G | SD768G | SD778G | SD780G | SD7c | SD820 | SD835 | SD845 | SD850 | SD855 | SD865 5G | SD870 | SD888 | SD888 5G | SDM630 | SDX24 | SDX50M | SDX55 | SDX55M | SDX65 | SDXR1 | SDXR2 5G | SM6250 | SM6250P | SM7250P | SM7315 | SM7325P | SXR2150P | WCD9306 | WCD9326 | WCD9335 | WCD9340 | WCD9341 | WCD9360 | WCD9370 | WCD9371 | WCD9375 | WCD9380 | WCD9385 | WCN3950 | WCN3980 | WCN3988 | WCN3990 | WCN3991 | WCN3998 | WCN6740 | WCN6750 | WCN6850 | WCN6851 | WCN6855 | WCN6856 | WCN7850 | WCN7851 | WSA8810 | WSA8815 | WSA8830 | WSA8835
2 vendors · 148 products