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14 results

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CVE-2023-21656Improper Input Validation in WLAN HOST

Description

Memory corruption in WLAN HOST while receiving an WMI event from firmware.

Timeline

  1. ID reserved

    By qualcomm

  2. · 6 months later

    Published

  3. · 14 months 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-2023-21656, by who scored it
Scored byCVSSScoreVector
qualcommCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/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)
0.12% · top 98% of all CVEs (13 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Affected products

  • Qualcomm, Inc. · Snapdragon

    • affected AR8035
    • affected CSRA6620
    • affected CSRA6640
    • affected CSRB31024
    • affected FastConnect 6200
    • affected FastConnect 6700
    • affected FastConnect 6800
    • affected FastConnect 6900
    • affected FastConnect 7800
    • affected QAM8255P
    • affected QAM8295P
    • affected QAM8650P
    • affected QAM8775P
    • affected QCA6175A
    • affected QCA6310
    • affected QCA6320
    • affected QCA6391
    • affected QCA6426
    • affected QCA6436
    • affected QCA6554A
    • affected QCA6564AU
    • affected QCA6574
    • affected QCA6574A
    • affected QCA6574AU
    • affected QCA6584AU
    • affected QCA6595
    • affected QCA6595AU
    • affected QCA6678AQ
    • affected QCA6696
    • affected QCA6698AQ
    • affected QCA6797AQ
    • affected QCA8081
    • affected QCA8337
    • affected QCC2073
    • affected QCC2076
    • affected QCM4325
    • affected QCM4490
    • affected QCM6490
    • affected QCN6024
    • affected QCN9024
    • and 85 more

References

References1

Sources

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

Badge for a README or a ticket

CVE-2023-21656 badge
[![CVE-2023-21656](https://cveledger.app/badge/CVE-2023-21656.svg)](https://cveledger.app/cve/CVE-2023-21656)

Record last updated .