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CVE-2025-21440Out-of-bounds Read in Windows WLAN Host

Description

Memory corruption when IOCTL call is invoked from user-space to write board data to WLAN driver.

Timeline

  1. ID reserved

    By qualcomm

  2. · 4 months later

    Published

  3. · 11 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-2025-21440, 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 · 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 (12 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 7.8.

Affected products

  • Qualcomm, Inc. · Snapdragon

    • affected AQT1000
    • affected FastConnect 6200
    • affected FastConnect 6700
    • affected FastConnect 6800
    • affected FastConnect 6900
    • affected FastConnect 7800
    • affected QCA1062
    • affected QCA1064
    • affected QCA2062
    • affected QCA2064
    • affected QCA2065
    • affected QCA2066
    • affected QCA6391
    • affected QCA6420
    • affected QCA6430
    • affected QCC2073
    • affected QCC2076
    • affected QCM5430
    • affected QCM6490
    • affected QCS5430
    • affected QCS6490
    • affected Qualcomm Video Collaboration VC3 Platform
    • affected SC8180X+SDX55
    • 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 8c Compute Platform (SC8180XP-AD) "Poipu Lite"
    • affected Snapdragon 8cx Compute Platform (SC8180X-AA, AB)
    • affected Snapdragon 8cx Compute Platform (SC8180XP-AC, AF) "Poipu Pro"
    • affected Snapdragon 8cx Gen 2 5G Compute Platform (SC8180X-AC, AF) "Poipu Pro"
    • affected Snapdragon 8cx Gen 2 5G Compute Platform (SC8180XP-AA, AB)
    • affected WCD9340
    • affected WCD9341
    • affected WCD9370
    • affected WCD9375
    • affected WCD9380
    • affected WCD9385
    • and 5 more

References

References1

Sources

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

Badge for a README or a ticket

CVE-2025-21440 badge
[![CVE-2025-21440](https://cveledger.app/badge/CVE-2025-21440.svg)](https://cveledger.app/cve/CVE-2025-21440)

Record last updated .