Qualcomm WCN6750 Firmware vulnerabilities

421 CVEs affecting Qualcomm WCN6750 Firmware, 3 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-27033, published 2025-09-24.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2020-11261: Qualcomm Multiple Chipsets Improper Input Validation Vulnerability, published 2021-06-09. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2021-12-01. EPSS: 1.6% chance of exploitation in the next 30 days. Memory corruption due to improper check to return error when user application requests memory allocation of a huge size in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon…
CVE-2023-33063: Qualcomm Multiple Chipsets Use-After-Free Vulnerability, published 2023-12-05. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2023-12-05. EPSS: 0.7% chance of exploitation in the next 30 days. Memory corruption in DSP Services during a remote call from HLOS to DSP.
CVE-2022-22071: Qualcomm Multiple Chipsets Use-After-Free Vulnerability, published 2022-06-14. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2023-12-05. EPSS: 0.4% chance of exploitation in the next 30 days. Possible use after free when process shell memory is freed using IOCTL munmap call and process initialization is in progress in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity,…
CVE-2020-11264, published 2021-09-08. Critical severity, CVSS 9.8. EPSS: 13.2% chance of exploitation in the next 30 days. Improper authentication of Non-EAPOL/WAPI plaintext frames during four-way handshake can lead to arbitrary network packet injection in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity,…
CVE-2020-11301, published 2021-09-08. High severity, CVSS 7.5. EPSS: 11.1% chance of exploitation in the next 30 days. Improper authentication of un-encrypted plaintext Wi-Fi frames in an encrypted network can lead to information disclosure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon…
CVE-2021-30351, published 2022-01-03. Critical severity, CVSS 9.8. EPSS: 4% chance of exploitation in the next 30 days. An out of bound memory access can occur due to improper validation of number of frames being passed during music playback in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon…
CVE-2021-1965, published 2021-07-13. Critical severity, CVSS 9.8. EPSS: 3% chance of exploitation in the next 30 days. Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile, Snapdragon Wired…
CVE-2021-30317, published 2022-02-11. High severity, CVSS 7.8. EPSS: 1.4% chance of exploitation in the next 30 days. Improper validation of program headers containing ELF metadata can lead to image verification bypass in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics…
CVE-2022-40507, published 2023-06-06. High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days. Memory corruption due to double free in Core while mapping HLOS address to the list.
CVE-2020-11192, published 2021-03-17. Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days. Out of bound write while parsing SDP string due to missing check on null termination in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial…

Latest

CVE-2025-27033, published 2025-09-24. Medium severity, CVSS 6.1. EPSS: 0.1% chance of exploitation in the next 30 days. Information disclosure while running video usecase having rogue firmware.
CVE-2025-21476, published 2025-09-24. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption when passing parameters to the Trusted Virtual Machine during the handshake.
CVE-2021-30299, published 2024-11-22. Medium severity, CVSS 6.7. EPSS: 0.1% chance of exploitation in the next 30 days. Possible out of bound access in audio module due to lack of validation of user provided input.
CVE-2023-33087, published 2023-12-05. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. Memory corruption in Core while processing RX intent request.
CVE-2023-33080, published 2023-12-05. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while parsing a vender specific IE (Information Element) of reassociation response management frame.
CVE-2023-33079, published 2023-12-05. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. Memory corruption in Audio while running invalid audio recording from ADSP.
CVE-2023-33054, published 2023-12-05. Critical severity, CVSS 9.1. EPSS: 0.4% chance of exploitation in the next 30 days. Cryptographic issue in GPS HLOS Driver while downloading Qualcomm GNSS assistance data.
CVE-2023-33053, published 2023-12-05. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in Kernel while parsing metadata.
CVE-2023-33044, published 2023-12-05. High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days. Transient DOS in Data modem while handling TLB control messages from the Network.