Qualcomm QCN5550 Firmware vulnerabilities

81 CVEs affecting Qualcomm QCN5550 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-25275, published 2026-09-17.

Highest priority

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

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-2020-11191, published 2021-04-07. Critical severity, CVSS 9.1. EPSS: 0.9% chance of exploitation in the next 30 days. Out of bound read occurs while processing crafted SDP due to lack of check of null string in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics…
CVE-2021-35088, published 2022-04-01. Critical severity, CVSS 9.1. EPSS: 0.9% chance of exploitation in the next 30 days. Possible out of bound read due to improper validation of IE length during SSID IE parse when channel is DFS in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT,…
CVE-2020-11276, published 2021-02-22. Critical severity, CVSS 9.1. EPSS: 0.8% chance of exploitation in the next 30 days. Possible buffer over read while processing P2P IE and NOA attribute of beacon and probe response frames due to improper validation of P2P IE and NOA attribute lengths in Snapdragon Auto, Snapdragon…
CVE-2020-11275, published 2021-02-22. Critical severity, CVSS 9.1. EPSS: 0.8% chance of exploitation in the next 30 days. Possible buffer over-read while parsing quiet IE in Rx beacon frame due to improper check of IE length in received beacon in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon…
CVE-2021-35104, published 2022-06-14. Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days. Possible buffer overflow due to improper parsing of headers while playing the FLAC audio clip in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon…
CVE-2021-1972, published 2021-09-08. Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days. Possible buffer overflow due to improper validation of device types during P2P search in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial…
CVE-2021-1976, published 2021-09-17. Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days. A use after free can occur due to improper validation of P2P device address in PD Request frame in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon…

Latest

CVE-2026-25275, published 2026-09-17. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS when processing authentication frames with invalid FILS information element header lengths.
CVE-2025-47325, published 2025-12-18. Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days. Information disclosure while processing system calls with invalid parameters.
CVE-2025-27074, published 2025-11-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while processing a GP command response.
CVE-2025-27040, published 2025-10-09. Medium severity, CVSS 6.5. EPSS: 0.1% chance of exploitation in the next 30 days. Information disclosure may occur while processing the hypervisor log.
CVE-2024-21473, published 2024-04-01. Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days. Memory corruption while redirecting log file to any file location with any file name.
CVE-2023-33105, published 2024-03-04. High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days. Transient DOS in WLAN Host and Firmware when large number of open authentication frames are sent with an invalid transaction sequence number.
CVE-2023-28569, published 2023-11-07. Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days. Information disclosure in WLAN HAL while handling command through WMI interfaces.
CVE-2023-28563, published 2023-11-07. Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days. Information disclosure in IOE Firmware while handling WMI command.
CVE-2023-28567, published 2023-09-05. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in WLAN HAL while handling command through WMI interfaces.
CVE-2023-28565, published 2023-09-05. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in WLAN HAL while handling command streams through WMI interfaces.