Qualcomm SD821 Firmware vulnerabilities

102 CVEs affecting Qualcomm SD821 Firmware, 1 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-27074, published 2025-11-04.

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-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-2020-11208, published 2020-11-12. High severity, CVSS 7.8. EPSS: 1.7% chance of exploitation in the next 30 days. Out of Bound issue in DSP services while processing received arguments due to improper validation of length received as an argument' in SD820, SD821, SD820, QCS603, QCS605, SDA855, SA6155P, SA6145P,…
CVE-2020-11209, published 2020-11-12. Medium severity, CVSS 5.5. EPSS: 1.6% chance of exploitation in the next 30 days. Improper authorization in DSP process could allow unauthorized users to downgrade the library versions in SD820, SD821, SD820, QCS603, QCS605, SDA855, SA6155P, SA6145P, SA6155, SA6155P, SD855, SD…
CVE-2020-11299, published 2021-03-17. Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days. Buffer overflow can occur in video while playing the non-standard clip in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon…
CVE-2020-11190, published 2021-03-17. Critical severity, CVSS 9.1. EPSS: 1% chance of exploitation in the next 30 days. Buffer over-read can happen while parsing received SDP values due to lack of NULL termination check on SDP in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT,…
CVE-2020-11189, published 2021-03-17. Critical severity, CVSS 9.1. EPSS: 1% chance of exploitation in the next 30 days. Buffer over-read can happen while parsing received SDP values due to lack of NULL termination check on SDP in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT,…
CVE-2020-11188, published 2021-03-17. Critical severity, CVSS 9.1. EPSS: 1% chance of exploitation in the next 30 days. Buffer over-read can happen while parsing received SDP values due to lack of NULL termination check on SDP in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT,…
CVE-2020-11251, published 2021-04-07. Critical severity, CVSS 9.1. EPSS: 0.9% chance of exploitation in the next 30 days. Out-of-bounds read vulnerability while accessing DTMF payload due to lack of check of buffer length before copying in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer…
CVE-2020-11166, published 2021-03-17. Critical severity, CVSS 9.1. EPSS: 0.9% chance of exploitation in the next 30 days. Potential out of bound read exception when UE receives unusually large number of padding octets in the beginning of ROHC header in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity,…

Latest

CVE-2025-27074, published 2025-11-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while processing a GP command response.
CVE-2025-27053, published 2025-10-09. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption during PlayReady APP usecase while processing TA commands.
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-2025-21454, published 2025-07-08. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS while processing received beacon frame.
CVE-2025-21449, published 2025-07-08. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS may occur while processing malformed length field in SSID IEs.
CVE-2018-11816, published 2024-11-26. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Crafted Binder Request Causes Heap UAF in MediaServer
CVE-2016-10408, published 2024-11-26. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. QSEE will randomly experience a fatal error during execution due to speculative instruction fetches from device memory. Device memory is not valid executable memory.
CVE-2024-21461, published 2024-07-01. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while performing finish HMAC operation when context is freed by keymaster.
CVE-2024-21468, published 2024-04-01. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption when there is failed unmap operation in GPU.
CVE-2023-33023, published 2024-04-01. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while processing finish_sign command to pass a rsp buffer.