Qualcomm WCN3680B Firmware vulnerabilities

457 CVEs affecting Qualcomm WCN3680B Firmware, 8 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-24088, published 2026-06-01.

Highest priority

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

CVE-2020-11261: Qualcomm Multiple Chipsets Improper Input Validation Vulnerability, published 2021-06-09. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2021-12-01. EPSS: 1.6% chance of exploitation in the next 30 days. Memory corruption due to improper check to return error when user application requests memory allocation of a huge size in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon…
CVE-2021-1905: Qualcomm Multiple Chipsets Use-After-Free Vulnerability, published 2021-05-07. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 1.5% chance of exploitation in the next 30 days. Possible use after free due to improper handling of memory mapping of multiple processes simultaneously. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT,…
CVE-2026-21385: Qualcomm Multiple Chipsets Memory Corruption Vulnerability, published 2026-03-02. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2026-03-03. EPSS: 1.3% chance of exploitation in the next 30 days. Memory corruption while using alignments for memory allocation.
CVE-2023-33106: Qualcomm Multiple Chipsets Use of Out-of-Range Pointer Offset Vulnerability, published 2023-12-05. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2023-12-05. EPSS: 0.8% chance of exploitation in the next 30 days. Memory corruption while submitting a large list of sync points in an AUX command to the IOCTL_KGSL_GPU_AUX_COMMAND.
CVE-2023-33107: Qualcomm Multiple Chipsets Integer Overflow Vulnerability, published 2023-12-05. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2023-12-05. EPSS: 0.7% chance of exploitation in the next 30 days. Memory corruption in Graphics Linux while assigning shared virtual memory region during IOCTL call.
CVE-2023-33063: Qualcomm Multiple Chipsets Use-After-Free Vulnerability, published 2023-12-05. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2023-12-05. EPSS: 0.7% chance of exploitation in the next 30 days. Memory corruption in DSP Services during a remote call from HLOS to DSP.
CVE-2021-1906: Qualcomm Multiple Chipsets Detection of Error Condition Without Action Vulnerability, published 2021-05-07. Medium severity, CVSS 5.5. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 0.5% chance of exploitation in the next 30 days. Improper handling of address deregistration on failure can lead to new GPU address allocation failure. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT,…
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-2020-11264, published 2021-09-08. Critical severity, CVSS 9.8. EPSS: 13.2% chance of exploitation in the next 30 days. Improper authentication of Non-EAPOL/WAPI plaintext frames during four-way handshake can lead to arbitrary network packet injection in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity,…
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…

Latest

CVE-2026-24088, published 2026-06-01. High severity, CVSS 8.2. EPSS: 0.1% chance of exploitation in the next 30 days. Cryptographic Issue while processing a specific partition which allows unauthorized write access to load a customized bootloader.
CVE-2025-59610, published 2026-06-01. Medium severity, CVSS 6.4. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption when processing IOCTL requests with mismatched API versions due to concurrent modification of user-space buffer.
CVE-2025-47404, published 2026-05-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption when dynamically changing the size of a previously allocated buffer while its contents are being modified.
CVE-2025-47386, published 2026-03-02. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption while invoking IOCTL calls when concurrent access to shared buffer occurs.
CVE-2025-47383, published 2026-03-02. High severity, CVSS 7.2. EPSS: 0.1% chance of exploitation in the next 30 days. Weak configuration may lead to cryptographic issue when a VoWiFi call is triggered from UE.
CVE-2025-47379, published 2026-03-02. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption when concurrent access to shared buffer occurs due to improper synchronization between assignment and deallocation of buffer resources.
CVE-2025-47376, published 2026-03-02. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption when concurrent access to shared buffer occurs during IOCTL calls.
CVE-2025-47375, published 2026-03-02. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while handling different IOCTL calls from the user-space simultaneously.
CVE-2025-47369, published 2026-01-07. Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days. Information disclosure when a weak hashed value is returned to userland code in response to a IOCTL call to obtain a session ID.