Qualcomm QCN5021 Firmware vulnerabilities

149 CVEs affecting Qualcomm QCN5021 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-25275, published 2026-09-17.

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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-2021-1965, 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-2022-40516, published 2023-01-09. High severity, CVSS 7.8. EPSS: 0.9% chance of exploitation in the next 30 days. Memory corruption in Core due to stack-based buffer overflow.
• 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-2022-25736, published 2022-10-19. High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days. Denial of service in WLAN due to out-of-bound read happens while processing VHT action frame in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics…
• 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-2025-27066, 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-2025-21465, published 2025-08-06. Medium severity, CVSS 6.5. EPSS: 0.1% chance of exploitation in the next 30 days. Information disclosure while processing the hash segment in an MBN file.
• CVE-2025-21464, published 2025-08-06. Medium severity, CVSS 6.5. EPSS: 0.1% chance of exploitation in the next 30 days. Information disclosure while reading data from an image using specified offset and size parameters.
• 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-2024-43046, published 2025-04-07. Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days. There may be information disclosure during memory re-allocation in TZ Secure OS.
• CVE-2024-43057, published 2025-03-03. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while processing command in Glink linux.
• CVE-2024-33016, published 2024-09-02. Medium severity, CVSS 6.8. EPSS: 0.2% chance of exploitation in the next 30 days. memory corruption when an invalid firehose patch command is invoked.
• CVE-2024-33014, published 2024-08-05. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while parsing ESP IE from beacon/probe response frame.
• CVE-2024-23368, published 2024-07-01. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption when allocating and accessing an entry in an SMEM partition.