Qualcomm WCD9378C Firmware vulnerabilities

71 CVEs affecting Qualcomm WCD9378C Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-57559, published 2026-10-06.

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Highest priority

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

• CVE-2025-47403, published 2026-05-04. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS when processing a malformed Fast Transition response frame with an invalid header structure during wireless roaming.
• CVE-2025-47401, published 2026-05-04. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS when processing target power rate tables during channel configuration.
• CVE-2026-21367, published 2026-04-06. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS when processing nonstandard FILS Discovery Frames with out-of-range action sizes during initial scans.
• CVE-2026-25289, published 2026-08-04. Critical severity, CVSS 9.6. EPSS: 0.2% chance of exploitation in the next 30 days. Memory Corruption when processing Device Capability Extended attributes in certain NAN Service Discovery Frames with invalid length values.
• 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-2025-47402, published 2026-02-02. Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS when processing a received frame with an excessively large authentication information element.
• CVE-2026-25288, published 2026-08-04. High severity, CVSS 7.4. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS when processing a short target wake time channel usage response frame with insufficient packet size.
• CVE-2026-21381, published 2026-04-06. High severity, CVSS 7.5. EPSS: 0.1% chance of exploitation in the next 30 days. Transient DOS when receiving a service data frame with excessive length during device matching over a neighborhood awareness network protocol connection.
• CVE-2026-21374, published 2026-04-06. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption when processing auxiliary sensor input/output control commands with insufficient buffer size validation.
• CVE-2026-24076, published 2026-08-04. Medium severity, CVSS 6.7. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption when processing registry values with incorrect types using a direct query method.

Latest

• CVE-2026-57559, published 2026-10-06. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while processing service requests.
• CVE-2026-57555, published 2026-10-06. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption when executing system service routines due to improper handling of user input buffers.
• CVE-2026-25302, published 2026-10-06. High severity, CVSS 7.1. EPSS: 0.1% chance of exploitation in the next 30 days. Cryptographic Issue when processing non-ELF partitions, authentication and signature checks are bypassed, allowing unsigned or corrupted images to be mounted and processed.
• CVE-2026-25274, published 2026-10-06. Medium severity, CVSS 6.7. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption when processing concurrent DMA buffer allocation and deallocation commands without proper synchronization.
• CVE-2026-25290, published 2026-09-17. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption when validating large data buffers from external sources using addition to check buffer length.
• CVE-2026-25284, published 2026-09-17. High severity, CVSS 7.3. EPSS: 0.1% chance of exploitation in the next 30 days. Information Disclosure when a pointer is reused after being deallocated.
• CVE-2026-25283, published 2026-09-17. High severity, CVSS 8.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption when copying unverified data from an external source exceeds the allocated buffer size.
• CVE-2026-25282, published 2026-09-17. High severity, CVSS 7.9. EPSS: 0.1% chance of exploitation in the next 30 days. Transient DOS when processing unverified data from a neighboring system causes out of bound memory access.
• CVE-2026-25281, published 2026-09-17. High severity, CVSS 7.4. EPSS: 0.1% chance of exploitation in the next 30 days. Transient DOS when processing large or numerous request buffers without sufficient memory allocation validation.
• CVE-2026-25280, published 2026-09-17. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption when processing escape handling flow with insufficient user buffer sizes.