Qualcomm QCN5121 Firmware vulnerabilities

80 CVEs affecting Qualcomm QCN5121 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-21465, published 2025-08-06.

More from Qualcomm.

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-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-2021-1972, 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-2020-11134, published 2021-06-09. Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days. Possible stack out of bound write might happen due to time bitmap length and bit duration fields of the attributes like NAN ranging setup attribute inside a NAN management frame are not Properly…
• CVE-2020-11159, published 2021-06-09. Critical severity, CVSS 9.1. EPSS: 0.8% chance of exploitation in the next 30 days. Buffer over-read can happen while processing WPA,RSN IE of beacon and response frames if IE length is less than length of frame pointer being accessed in Snapdragon Auto, Snapdragon Compute,…

Latest

• 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-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-2024-33016, 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-2024-21462, published 2024-07-01. Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days. Transient DOS while loading the TA ELF file.
• 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-2023-33032, published 2024-01-02. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in TZ Secure OS while requesting a memory allocation from TA region.
• CVE-2023-33030, published 2024-01-02. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in HLOS while running playready use-case.
• CVE-2023-28586, published 2023-12-05. Medium severity, CVSS 6.5. EPSS: 0.1% chance of exploitation in the next 30 days. Information disclosure when the trusted application metadata symbol addresses are accessed while loading an ELF in TEE.
• CVE-2023-28585, published 2023-12-05. High severity, CVSS 8.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while loading an ELF segment in TEE Kernel.