Qualcomm QCA9986 Firmware vulnerabilities

68 CVEs affecting Qualcomm QCA9986 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-47339, published 2026-01-07.

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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-2021-1972, 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…
• 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-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-2020-11280, published 2021-02-22. High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days. Denial of service while processing fine timing measurement request (FTMR) frame with reserved bits set in the FTM parameter IE due to improper error handling in Snapdragon Auto, Snapdragon Compute,…
• CVE-2020-11270, published 2021-02-22. High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days. Possible denial of service due to RTT responder consistently rejects all FTMR by transmitting FTM1 with failure status in the FTM parameter IE in Snapdragon Auto, Snapdragon Compute, Snapdragon…
• CVE-2023-33083, published 2023-12-05. Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days. Memory corruption in WLAN Host while processing RRM beacon on the AP.
• CVE-2023-33028, published 2023-10-03. Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days. Memory corruption in WLAN Firmware while doing a memory copy of pmk cache.
• CVE-2023-33082, published 2023-12-05. Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days. Memory corruption while sending an Assoc Request having BTM Query or BTM Response containing MBO IE.

Latest

• CVE-2025-47339, published 2026-01-07. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while deinitializing a HDCP session.
• CVE-2025-27066, published 2025-08-06. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while processing an ANQP message.
• CVE-2025-21446, published 2025-07-08. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS may occur when processing vendor-specific information elements while parsing a WLAN frame for BTM requests.
• CVE-2025-21448, published 2025-04-07. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS may occur while parsing SSID in action frames.
• CVE-2023-28578, published 2024-03-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in Core Services while executing the command for removing a single event listener.
• CVE-2023-43522, published 2024-02-06. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while key unwrapping process, when the given encrypted key is empty or NULL.
• CVE-2023-43511, published 2024-01-02. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while parsing IPv6 extension header when WLAN firmware receives an IPv6 packet that contains `IPPROTO_NONE` as the next header.
• CVE-2023-33109, published 2024-01-02. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while processing a WMI P2P listen start command (0xD00A) sent from host.