# Qualcomm Wcn3950 Firmware vulnerabilities Source: https://junglewise.ai/threats/technologies/wcn3950-firmware Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/wcn3950-firmware.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 9 vulnerabilities in Qualcomm Wcn3950 Firmware: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-21378, was published on 6 April 2026. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 9 (0 critical, 0 exploited in the wild) ## About Qualcomm Wcn3950 Firmware Firmware for the WCN3950 wireless connectivity integrated circuit. ## Latest Qualcomm Wcn3950 Firmware vulnerabilities - [CVE-2026-21378: Memory Corruption when accessing an output buffer without validating its size during IOCTL processing in a camera sensor…](https://junglewise.ai/threats/cve-2026-21378-memory-corruption-when-accessing-an-output-buffer-without) (high, CVSS 7.8, published 6 Apr 2026) - [CVE-2026-21376: Memory Corruption when accessing an output buffer without validating its size during IOCTL processing in a camera sensor…](https://junglewise.ai/threats/cve-2026-21376-memory-corruption-when-accessing-an-output-buffer-without) (high, CVSS 7.8, published 6 Apr 2026) - [CVE-2026-21375: Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.](https://junglewise.ai/threats/cve-2026-21375-memory-corruption-when-accessing-an-output-buffer-without) (high, CVSS 7.8, published 6 Apr 2026) - [CVE-2026-21372: Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.](https://junglewise.ai/threats/cve-2026-21372-memory-corruption-when-sending-ioctl-requests-with-invalid-buffer) (high, CVSS 7.8, published 6 Apr 2026) - [CVE-2026-21371: Memory Corruption when retrieving output buffer with insufficient size validation.](https://junglewise.ai/threats/cve-2026-21371-memory-corruption-when-retrieving-output-buffer-with-insufficient) (high, CVSS 7.8, published 6 Apr 2026) - [CVE-2025-47396: Memory corruption occurs when a secure application is launched on a device with insufficient memory.](https://junglewise.ai/threats/cve-2025-47396-memory-corruption-occurs-when-a-secure-application-is-launched-on) (high, CVSS 7.8, published 7 Jan 2026) - [CVE-2025-47394: Memory corruption when copying overlapping buffers during memory operations due to incorrect offset calculations.](https://junglewise.ai/threats/cve-2025-47394-memory-corruption-when-copying-overlapping-buffers-during-memory) (high, CVSS 7.8, published 7 Jan 2026) - [CVE-2025-47345: Cryptographic issue may occur while encrypting license data.](https://junglewise.ai/threats/cve-2025-47345-cryptographic-issue-may-occur-while-encrypting-license-data) (high, CVSS 8.4, published 7 Jan 2026) - [CVE-2025-27041: Transient DOS while processing video packets received from video firmware.](https://junglewise.ai/threats/cve-2025-27041-transient-dos-while-processing-video-packets-received-from-video) (medium, CVSS 5.5, published 9 Oct 2025) ## Most severe Qualcomm Wcn3950 Firmware vulnerabilities - [CVE-2025-47345: Cryptographic issue may occur while encrypting license data.](https://junglewise.ai/threats/cve-2025-47345-cryptographic-issue-may-occur-while-encrypting-license-data) (high, CVSS 8.4, published 7 Jan 2026) - [CVE-2026-21376: Memory Corruption when accessing an output buffer without validating its size during IOCTL processing in a camera sensor…](https://junglewise.ai/threats/cve-2026-21376-memory-corruption-when-accessing-an-output-buffer-without) (high, CVSS 7.8, published 6 Apr 2026) - [CVE-2026-21372: Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.](https://junglewise.ai/threats/cve-2026-21372-memory-corruption-when-sending-ioctl-requests-with-invalid-buffer) (high, CVSS 7.8, published 6 Apr 2026) - [CVE-2026-21371: Memory Corruption when retrieving output buffer with insufficient size validation.](https://junglewise.ai/threats/cve-2026-21371-memory-corruption-when-retrieving-output-buffer-with-insufficient) (high, CVSS 7.8, published 6 Apr 2026) - [CVE-2025-47396: Memory corruption occurs when a secure application is launched on a device with insufficient memory.](https://junglewise.ai/threats/cve-2025-47396-memory-corruption-occurs-when-a-secure-application-is-launched-on) (high, CVSS 7.8, published 7 Jan 2026) - [CVE-2026-21378: Memory Corruption when accessing an output buffer without validating its size during IOCTL processing in a camera sensor…](https://junglewise.ai/threats/cve-2026-21378-memory-corruption-when-accessing-an-output-buffer-without) (high, CVSS 7.8, published 6 Apr 2026) - [CVE-2026-21375: Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.](https://junglewise.ai/threats/cve-2026-21375-memory-corruption-when-accessing-an-output-buffer-without) (high, CVSS 7.8, published 6 Apr 2026) - [CVE-2025-47394: Memory corruption when copying overlapping buffers during memory operations due to incorrect offset calculations.](https://junglewise.ai/threats/cve-2025-47394-memory-corruption-when-copying-overlapping-buffers-during-memory) (high, CVSS 7.8, published 7 Jan 2026) - [CVE-2025-27041: Transient DOS while processing video packets received from video firmware.](https://junglewise.ai/threats/cve-2025-27041-transient-dos-while-processing-video-packets-received-from-video) (medium, CVSS 5.5, published 9 Oct 2025) ## Vulnerabilities per week Nothing was published in the last eight weeks. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Qualcomm technologies - [Qualcomm FastConnect 7800](https://junglewise.ai/threats/technologies/fastconnect-7800): 54 vulnerabilities - [Qualcomm FastConnect 7800 Firmware](https://junglewise.ai/threats/technologies/fastconnect-7800-firmware): 48 vulnerabilities - [Qualcomm FastConnect 6900](https://junglewise.ai/threats/technologies/fastconnect-6900): 47 vulnerabilities - [Qualcomm WSA8840](https://junglewise.ai/threats/technologies/wsa8840): 45 vulnerabilities - [Qualcomm WSA8845](https://junglewise.ai/threats/technologies/wsa8845): 45 vulnerabilities - [Qualcomm WSA8845H](https://junglewise.ai/threats/technologies/wsa8845h): 45 vulnerabilities - [Qualcomm Wsa8840 Firmware](https://junglewise.ai/threats/technologies/wsa8840-firmware): 44 vulnerabilities - [Qualcomm Wsa8845 Firmware](https://junglewise.ai/threats/technologies/wsa8845-firmware): 44 vulnerabilities - [Qualcomm Wsa8845h Firmware](https://junglewise.ai/threats/technologies/wsa8845h-firmware): 44 vulnerabilities - [Qualcomm FastConnect 6900 Firmware](https://junglewise.ai/threats/technologies/fastconnect-6900-firmware): 41 vulnerabilities - [Qualcomm WCD9380](https://junglewise.ai/threats/technologies/wcd9380): 39 vulnerabilities - [Qualcomm Wcd9380 Firmware](https://junglewise.ai/threats/technologies/wcd9380-firmware): 38 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Qualcomm Wcn3950 Firmware vulnerabilities", https://junglewise.ai/threats/technologies/wcn3950-firmware, 9 November 2026.