Qualcomm Snapdragon 439 Firmware vulnerabilities

14 CVEs affecting Qualcomm Snapdragon 439 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-21424, published 2025-03-03.

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Highest priority

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

• CVE-2023-21631, published 2023-07-04. Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days. Weak Configuration due to improper input validation in Modem while processing LTE security mode command message received from network.
• CVE-2023-33020, published 2023-09-05. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. Transient DOS in WLAN Host when an invalid channel (like channel out of range) is received in STA during CSA IE.
• CVE-2023-33019, published 2023-09-05. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. Transient DOS in WLAN Host while doing channel switch announcement (CSA), when a mobile station receives invalid channel in CSA IE.
• CVE-2024-38426, published 2025-03-03. Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days. While processing the authentication message in UE, improper authentication may lead to information disclosure.
• CVE-2023-21629, published 2023-07-04. Medium severity, CVSS 6.8. EPSS: 0.2% chance of exploitation in the next 30 days. Memory Corruption in Modem due to double free while parsing the PKCS15 sim files.
• CVE-2024-33042, published 2024-09-02. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption when Alternative Frequency offset value is set to 255.
• CVE-2024-53014, published 2025-03-03. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption may occur while validating ports and channels in Audio driver.
• CVE-2025-21424, published 2025-03-03. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while calling the NPU driver APIs concurrently.
• CVE-2023-33021, published 2023-09-05. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption in Graphics while processing user packets for command submission.
• CVE-2023-24854, published 2023-07-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption in WLAN HOST while parsing QMI WLAN Firmware response message.

Latest

• CVE-2023-24851, published 2023-07-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption in WLAN HOST while parsing QMI response message from firmware.
• CVE-2023-22667, published 2023-07-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory Corruption in Audio while allocating the ion buffer during the music playback.