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CVE-2023-43540

Buffer Copy Without Checking Size of Input in Bluetooth HOST

High8.4EPSS 0.11%
Published
Updated
Reserved
Assigned by
qualcomm

Description

Memory corruption while processing the IOCTL FM HCI WRITE request.

Scores

CVSS scores of CVE-2023-43540, 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 · Analyzed3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.11% · top 99% of all CVEs (6 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 AQT1000
    • affected FastConnect 6200
    • affected FastConnect 6700
    • affected FastConnect 6800
    • affected FastConnect 6900
    • affected FastConnect 7800
    • affected QCA6391
    • affected QCA6420
    • affected QCA6430
    • affected SC8380XP
    • affected SM6250
    • affected Snapdragon 7c Compute Platform (SC7180-AC)
    • affected Snapdragon 7c Gen 2 Compute Platform (SC7180-AD) "Rennell Pro"
    • affected Snapdragon 7c+ Gen 3 Compute
    • affected Snapdragon 8c Compute Platform (SC8180X-AD) "Poipu Lite"
    • affected Snapdragon 8cx Compute Platform (SC8180X-AA, AB)
    • affected Snapdragon 8cx Gen 2 5G Compute Platform (SC8180X-AC, AF) "Poipu Pro"
    • affected Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB)
    • affected WCD9340
    • affected WCD9341
    • affected WCD9380
    • affected WCD9385
    • affected WSA8810
    • affected WSA8815
    • affected WSA8830
    • affected WSA8835
    • affected WSA8840
    • affected WSA8845
    • affected WSA8845H

References (1)

Sources

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

Badge for a README or a ticket

CVE-2023-43540 badge
[![CVE-2023-43540](https://trackcve.app/badge/CVE-2023-43540.svg)](https://trackcve.app/cve/CVE-2023-43540)

Record last updated .