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CVE-2023-33040

Buffer Over-read in Data Modem

High7.5EPSS 0.34%
Published
Updated
Reserved
Assigned by
qualcomm

Description

Transient DOS in Data Modem during DTLS handshake.

Timeline

  1. ID reserved

    By qualcomm

  2. · 8 months later

    Published

  3. · 17 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-2023-33040, by who scored it
Scored byCVSSScoreVector
qualcommCNA (assigner)3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Modified3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.34% · top 73% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

Affected products

  • Qualcomm, Inc. · Snapdragon

    • affected 315 5G IoT Modem
    • affected AQT1000
    • affected AR8035
    • affected CSRA6620
    • affected CSRA6640
    • affected CSRB31024
    • affected FastConnect 6200
    • affected FastConnect 6700
    • affected FastConnect 6800
    • affected FastConnect 6900
    • affected FastConnect 7800
    • affected QCA6174A
    • affected QCA6391
    • affected QCA6420
    • affected QCA6421
    • affected QCA6426
    • affected QCA6430
    • affected QCA6431
    • affected QCA6436
    • affected QCA6564AU
    • affected QCA6574A
    • affected QCA6574AU
    • affected QCA6595AU
    • affected QCA6696
    • affected QCA6698AQ
    • affected QCA8081
    • affected QCA8337
    • affected QCA9377
    • affected QCM2290
    • affected QCM4290
    • affected QCM4325
    • affected QCM4490
    • affected QCM6125
    • affected QCM6490
    • affected QCN6024
    • affected QCN9024
    • affected QCS2290
    • affected QCS410
    • affected QCS4290
    • affected QCS4490
    • 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-2023-33040 badge
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Record last updated .