Qualcomm Snapdragon x62 5g Modem-Rf Firmware vulnerabilities

20 CVEs affecting Qualcomm Snapdragon x62 5g Modem-Rf Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-47403, published 2026-05-04.

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

• CVE-2025-21450, published 2025-07-08. Critical severity, CVSS 9.1. EPSS: 0.3% chance of exploitation in the next 30 days. Cryptographic issue occurs due to use of insecure connection method while downloading.
• CVE-2024-49838, published 2025-02-03. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Information disclosure while parsing the OCI IE with invalid length.
• 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-2025-21446, published 2025-07-08. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS may occur when processing vendor-specific information elements while parsing a WLAN frame for BTM requests.
• CVE-2025-47403, published 2026-05-04. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS when processing a malformed Fast Transition response frame with an invalid header structure during wireless roaming.
• CVE-2025-47401, published 2026-05-04. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS when processing target power rate tables during channel configuration.
• CVE-2024-38402, published 2024-09-02. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. Memory corruption while processing IOCTL call for getting group info.
• CVE-2025-21468, published 2025-05-06. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while reading response from FW, when buffer size is changed by FW while driver is using this size to write null character at the end of buffer.
• CVE-2025-21453, published 2025-05-06. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while processing a data structure, when an iterator is accessed after it has been removed, potential failures occur.

Latest

• 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-2025-21433, published 2025-07-08. Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days. Transient DOS when importing a PKCS#8-encoded RSA private key with a zero-sized modulus.
• CVE-2025-21432, published 2025-07-08. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while retrieving the CBOR data from TA.
• CVE-2025-21422, published 2025-07-08. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Cryptographic issue while processing crypto API calls, missing checks may lead to corrupted key usage or IV reuses.