Qualcomm Snapdragon 7c Compute Firmware vulnerabilities

18 CVEs affecting Qualcomm Snapdragon 7c Compute Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-47408, published 2026-05-04.

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Highest priority

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

• CVE-2024-21477, published 2024-05-06. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while parsing a protected 802.11az Fine Time Measurement (FTM) frame.
• CVE-2023-43529, published 2024-05-06. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while processing IKEv2 Informational request messages, when a malformed fragment packet is received.
• CVE-2023-33086, published 2024-03-04. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while processing multiple IKEV2 Informational Request to device from IPSEC server with different identifiers.
• CVE-2024-33051, published 2024-09-02. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while processing TIM IE from beacon frame as there is no check for IE length.
• CVE-2023-43551, published 2024-06-03. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Cryptographic issue while performing attach with a LTE network, a rogue base station can skip the authentication phase and immediately send the Security Mode Command.
• 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-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-2023-28565, published 2023-09-05. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in WLAN HAL while handling command streams through WMI interfaces.
• 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.
• CVE-2023-28547, published 2024-04-01. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in SPS Application while requesting for public key in sorter TA.

Latest

• CVE-2025-47408, published 2026-05-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption when another driver calls an IOCTL with invalid input/output buffer.
• CVE-2025-27055, published 2025-07-08. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption during the image encoding process.
• CVE-2025-21466, published 2025-07-08. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while processing a private escape command in an event trigger.
• CVE-2025-21475, published 2025-05-06. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while processing escape code, when DisplayId is passed with large unsigned value.
• 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.