Qualcomm WCN7850 Firmware vulnerabilities

172 CVEs affecting Qualcomm WCN7850 Firmware, 1 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-27033, published 2025-09-24.

More from Qualcomm.

Highest priority

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

• CVE-2022-22071: Qualcomm Multiple Chipsets Use-After-Free Vulnerability, published 2022-06-14. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2023-12-05. EPSS: 0.4% chance of exploitation in the next 30 days. Possible use after free when process shell memory is freed using IOCTL munmap call and process initialization is in progress in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity,…
• 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-2021-1975, published 2021-11-12. Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days. Possible heap overflow due to improper length check of domain while parsing the DNS response in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, 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-2022-22065, published 2022-06-14. High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days. Out of bound read in WLAN HOST due to improper length check can lead to DOS in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon…
• CVE-2022-40520, published 2023-01-09. High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days. Memory corruption due to stack-based buffer overflow in Core
• CVE-2022-22064, published 2022-06-14. High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days. Possible buffer over read due to lack of size validation while unpacking frame in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity,…
• CVE-2021-1981, published 2021-11-12. Critical severity, CVSS 9.1. EPSS: 0.6% chance of exploitation in the next 30 days. Possible buffer over read due to improper IE size check of Bearer capability IE in MT setup request from network in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer…
• CVE-2022-22083, published 2022-06-14. High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days. Denial of service due to memory corruption while extracting ape header from clips in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT,…
• CVE-2022-22087, published 2022-06-14. Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days. memory corruption in video due to buffer overflow while parsing mkv clip with no codechecker in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon…

Latest

• CVE-2025-27033, published 2025-09-24. Medium severity, CVSS 6.1. EPSS: 0.1% chance of exploitation in the next 30 days. Information disclosure while running video usecase having rogue firmware.
• CVE-2025-21476, published 2025-09-24. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption when passing parameters to the Trusted Virtual Machine during the handshake.
• CVE-2023-21667, published 2023-09-05. Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days. Transient DOS in Bluetooth HOST while passing descriptor to validate the blacklisted BT keyboard.
• CVE-2023-21664, published 2023-09-05. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption in Core Platform while printing the response buffer in log.
• CVE-2023-21663, published 2023-09-05. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption while accessing metadata in Display.
• CVE-2023-21662, published 2023-09-05. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in Core Platform while printing the response buffer in log.
• CVE-2023-21655, published 2023-09-05. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in Audio while validating and mapping metadata.
• CVE-2023-21646, published 2023-09-05. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. Transient DOS in Modem while processing invalid System Information Block 1.
• CVE-2022-33220, published 2023-09-05. Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days. Information disclosure in Automotive multimedia due to buffer over-read.
• CVE-2023-21652, published 2023-08-08. High severity, CVSS 7.1. EPSS: 0.1% chance of exploitation in the next 30 days. Cryptographic issue in HLOS as derived keys used to encrypt/decrypt information is present on stack after use.