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Vulnerability record · CVE-2022-40502 · published 12 February 2023

CVE-2022-40502: Qualcomm csr8811 firmware improper input validation vulnerability

Qualcomm · Csr8811 Firmware

Transient DOS due to improper input validation in WLAN Host.

7.5 CVSS 3.1 High EPSS 0.42% · top 65.5% CWE-20 · Improper input validation
7.5CVSS 3.1 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
96Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Transient DOS due to improper input validation in WLAN Host.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

96 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/february-2023-bulletin Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/february-2023-bulletin Vendor Advisory

Track CVE-2022-40502 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2023-33063Qualcomm DSP Services use-after-free memory corruptionCVE-2023-33063 is a use-after-free memory corruption flaw in Qualcomm DSP Services, triggered during a remote call from the high-level operating syst…KEVEPSS 0.58%analysed9.8CVE-2024-49839Qualcomm ar8035 firmware out-of-bounds read vulnerabilityMemory corruption during management frame processing due to mismatch in T2LM info element.EPSS 0.30%9.8CVE-2024-45569Qualcomm ar8035 firmware vulnerabilityMemory corruption while parsing the ML IE due to invalid frame content.EPSS 0.58%9.8CVE-2024-33066Qualcomm snapdragon x65 5g modem-rf system firmware improper input validation vulnerabilityMemory corruption while redirecting log file to any file location with any file name.EPSS 0.60%9.8CVE-2024-21473Qualcomm ar8035 firmware improper input validation vulnerabilityMemory corruption while redirecting log file to any file location with any file name.EPSS 0.66%9.8CVE-2023-43552Qualcomm ar8035 firmware use after free vulnerabilityMemory corruption while processing MBSSID beacon containing several subelement IE.EPSS 0.35%9.8CVE-2023-43553Qualcomm ar8035 firmware vulnerabilityMemory corruption while parsing beacon/probe response frame when AP sends more supported links in MLIE.EPSS 0.35%9.8CVE-2023-33083Qualcomm ar8035 firmware classic buffer overflow vulnerabilityMemory corruption in WLAN Host while processing RRM beacon on the AP.EPSS 0.62%

Source: NIST National Vulnerability Database (record CVE-2022-40502), CISA KEV, FIRST EPSS (scores of 2026-10-04). This page is refreshed as NVD updates the record.