Qualcomm AR7420 Firmware vulnerabilities

19 CVEs affecting Qualcomm AR7420 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-21482, published 2025-09-24.

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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-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-2021-1887, published 2021-07-13. High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days. An assertion can be reached in the WLAN subsystem while using the Wi-Fi Fine Timing Measurement protocol in Snapdragon Wired Infrastructure and Networking
• CVE-2020-11267, published 2021-06-09. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. Stack out-of-bounds write occurs while setting up a cipher device if the provided IV length exceeds the max limit value in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon…
• CVE-2020-11259, published 2021-06-09. High severity, CVSS 8.8. EPSS: 0.2% chance of exploitation in the next 30 days. Memory corruption due to lack of validation of pointer arguments passed to Trustzone BSP in Snapdragon Wired Infrastructure and Networking
• CVE-2020-11258, published 2021-06-09. High severity, CVSS 8.8. EPSS: 0.2% chance of exploitation in the next 30 days. Memory corruption due to lack of validation of pointer arguments passed to Trustzone BSP in Snapdragon Wired Infrastructure and Networking
• CVE-2020-11257, published 2021-06-09. High severity, CVSS 8.8. EPSS: 0.2% chance of exploitation in the next 30 days. Memory corruption due to lack of validation of pointer arguments passed to TrustZone BSP in Snapdragon Wired Infrastructure and Networking

Latest

• CVE-2025-21482, published 2025-09-24. High severity, CVSS 7.1. EPSS: 0.1% chance of exploitation in the next 30 days. Cryptographic issue while performing RSA PKCS padding decoding.
• 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.
• CVE-2021-30303, published 2022-01-03. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. Possible buffer overflow due to lack of buffer length check when segmented WMI command is received in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics…
• CVE-2021-1924, published 2021-11-12. Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days. Information disclosure through timing and power side-channels during mod exponentiation for RSA-CRT in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics…
• CVE-2021-1909, published 2021-09-09. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. Buffer overflow occurs in trusted applications due to lack of length check of parameters in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity,…