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CVE-2022-40520

Stack based buffer overflow in Core

High8.4EPSS 0.70%
Published
Updated
Reserved
Assigned by
qualcomm

Description

Memory corruption due to stack-based buffer overflow in Core

Timeline

  1. ID reserved

    By qualcomm

  2. · 4 months later

    Published

  3. · 2 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2022-40520, by who scored it
Scored byCVSSScoreVector
qualcommCNA (assigner)3.1High8.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.70% · top 47% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.4.

Weakness

Affected products

  • Qualcomm, Inc. · Snapdragon

    • affected APQ8064AU
    • affected APQ8096AU
    • affected AQT1000
    • affected AR8035
    • affected CSRB31024
    • affected FSM10056
    • affected MDM9150
    • affected MDM9205
    • affected MDM9640
    • affected MDM9650
    • affected MSM8996AU
    • affected QAM8295P
    • affected QCA4004
    • affected QCA6174A
    • affected QCA6310
    • affected QCA6320
    • affected QCA6335
    • affected QCA6390
    • affected QCA6391
    • affected QCA6420
    • affected QCA6421
    • affected QCA6426
    • affected QCA6430
    • affected QCA6431
    • affected QCA6436
    • affected QCA6564
    • affected QCA6564A
    • affected QCA6564AU
    • affected QCA6574
    • affected QCA6574A
    • affected QCA6574AU
    • affected QCA6584AU
    • affected QCA6595
    • affected QCA6595AU
    • affected QCA6696
    • affected QCA8081
    • affected QCA8337
    • affected QCA9377
    • affected QCM6490
    • affected QCN6024
    • and 107 more

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2022-40520 badge
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Record last updated .