Qualcomm Snapdragon 632 Mobile Platform Firmware vulnerabilities

32 CVEs affecting Qualcomm Snapdragon 632 Mobile Platform Firmware, 2 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-27053, published 2025-10-09.

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Highest priority

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

• 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-2023-28588, published 2023-12-05. High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days. Transient DOS in Bluetooth Host while rfc slot allocation.
• CVE-2025-21483, published 2025-09-24. Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days. Memory corruption when the UE receives an RTP packet from the network, during the reassembly of NALUs.
• CVE-2022-40504, published 2023-05-02. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. Transient DOS due to reachable assertion in Modem when UE received Downlink Data Indication message from the network.
• CVE-2022-40521, published 2023-06-06. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. Transient DOS due to improper authorization in Modem
• CVE-2024-23353, published 2024-08-05. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while decoding attach reject message received by UE, when IEI is set to ESM_IEI.
• CVE-2024-53026, published 2025-06-03. High severity, CVSS 8.2. EPSS: 0.3% chance of exploitation in the next 30 days. Information disclosure when an invalid RTCP packet is received during a VoLTE/VoWiFi IMS call.
• CVE-2025-21487, published 2025-09-24. High severity, CVSS 8.2. EPSS: 0.3% chance of exploitation in the next 30 days. Information disclosure while decoding RTP packet received by UE from the network, when payload length mentioned is greater than the available buffer length.
• CVE-2025-21428, published 2025-04-07. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Memory corruption occurs while connecting a STA to an AP and initiating an ADD TS request from the AP to establish a TSpec session.

Latest

• 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-2024-53021, published 2025-06-03. High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days. Information disclosure may occur while processing goodbye RTCP packet from network.
• CVE-2024-53020, published 2025-06-03. High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days. Information disclosure may occur while decoding the RTP packet with invalid header extension from network.
• CVE-2024-38423, published 2024-11-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while processing GPU page table switch.
• CVE-2024-38422, published 2024-11-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while processing voice packet with arbitrary data received from ADSP.
• CVE-2024-33043, published 2024-09-02. Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days. Transient DOS while handling PS event when Program Service name length offset value is set to 255.