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Advisory Published

CVE-2023-28561: Buffer Copy Without Checking Size of Input in QESL

First published: Tue Aug 08 2023(Updated: )

Memory corruption in QESL while processing payload from external ESL device to firmware.


Affected SoftwareAffected VersionHow to fix
Qualcomm Qcn7606 Firmware
Qualcomm Qcn7606
All of
Qualcomm Qcn7606 Firmware
Qualcomm Qcn7606

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Frequently Asked Questions

  • What is CVE-2023-28561?

    CVE-2023-28561 is a vulnerability that involves memory corruption in QESL (Qualcomm Enhanced Self-Loader) when processing payload from an external ESL (Embedded Subscriber Line) device to firmware.

  • What is the severity of CVE-2023-28561?

    CVE-2023-28561 has a severity rating of 9.8 out of 10, indicating it is a critical vulnerability.

  • Which software is affected by CVE-2023-28561?

    Qualcomm Qcn7606 Firmware is affected by CVE-2023-28561.

  • How can I fix CVE-2023-28561?

    To fix CVE-2023-28561, it is recommended to apply the patch or update provided by Qualcomm.

  • Where can I find more information about CVE-2023-28561?

    You can find more information about CVE-2023-28561 in the August 2023 bulletin on the Qualcomm Product Security website.


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