Qualcomm FSM10055 Firmware vulnerabilities

121 CVEs affecting Qualcomm FSM10055 Firmware, 3 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-21452, published 2025-08-06.

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-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-2021-30351, published 2022-01-03. Critical severity, CVSS 9.8. EPSS: 4% chance of exploitation in the next 30 days. An out of bound memory access can occur due to improper validation of number of frames being passed during music playback in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon…
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-2020-11222, published 2021-03-17. Critical severity, CVSS 9.1. EPSS: 0.9% chance of exploitation in the next 30 days. Buffer over read while processing MT SMS with maximum length due to improper length check in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon…
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,…
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-2021-35088, published 2022-04-01. Critical severity, CVSS 9.1. EPSS: 0.9% chance of exploitation in the next 30 days. Possible out of bound read due to improper validation of IE length during SSID IE parse when channel is DFS in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT,…
CVE-2021-35104, published 2022-06-14. Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days. Possible buffer overflow due to improper parsing of headers while playing the FLAC audio clip in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon…

Latest

CVE-2025-21452, published 2025-08-06. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network.
CVE-2025-27061, published 2025-07-08. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption whhile handling the subsystem failure memory during the parsing of video packets received from the video firmware.
CVE-2025-27042, published 2025-07-08. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while processing video packets received from video firmware.
CVE-2024-33056, published 2024-12-02. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption when allocating and accessing an entry in an SMEM partition continuously.
CVE-2024-23385, published 2024-11-04. Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS as modem reset occurs when an unexpected MAC RAR (with invalid PDU length) is seen at UE.
CVE-2024-33045, published 2024-09-02. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption when BTFM client sends new messages over Slimbus to ADSP.
CVE-2024-23368, published 2024-07-01. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption when allocating and accessing an entry in an SMEM partition.
CVE-2024-21475, published 2024-05-06. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption when the payload received from firmware is not as per the expected protocol size.
CVE-2023-28578, published 2024-03-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in Core Services while executing the command for removing a single event listener.
CVE-2023-28551, published 2023-12-05. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in UTILS when modem processes memory specific Diag commands having arbitrary address values as input arguments.