Qualcomm 315 5g IoT Modem Firmware vulnerabilities

115 CVEs affecting Qualcomm 315 5g IoT Modem Firmware, 2 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-27054, 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-2022-40507, published 2023-06-06. High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days. Memory corruption due to double free in Core while mapping HLOS address to the list.
• CVE-2023-33042, published 2023-12-05. High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days. Transient DOS in Modem after RRC Setup message is received.
• CVE-2023-33044, published 2023-12-05. High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days. Transient DOS in Data modem while handling TLB control messages from the Network.
• CVE-2023-33098, published 2023-12-05. High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days. Transient DOS while parsing WPA IES, when it is passed with length more than expected size.
• CVE-2023-33089, published 2023-12-05. High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days. Transient DOS when processing a NULL buffer while parsing WLAN vdev.
• CVE-2023-28540, published 2023-10-03. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. Cryptographic issue in Data Modem due to improper authentication during TLS handshake.
• CVE-2023-22385, published 2023-10-03. Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days. Memory Corruption in Data Modem while making a MO call or MT VOLTE call.
• CVE-2025-27034, published 2025-09-24. Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days. Memory corruption while selecting the PLMN from SOR failed list.

Latest

• CVE-2025-27054, published 2025-10-09. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while processing a malformed license file during reboot.
• 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-2025-21482, published 2025-09-24. High severity, CVSS 7.1. EPSS: 0.1% chance of exploitation in the next 30 days. Cryptographic issue while performing RSA PKCS padding decoding.
• CVE-2025-21481, published 2025-09-24. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while performing private key encryption in trusted application.
• CVE-2025-27066, published 2025-08-06. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while processing an ANQP message.
• CVE-2025-27062, published 2025-08-06. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while handling client exceptions, allowing unauthorized channel access.
• CVE-2025-21477, published 2025-08-06. High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days. Transient DOS while processing CCCH data when NW sends data with invalid length.
• CVE-2025-21465, published 2025-08-06. Medium severity, CVSS 6.5. EPSS: 0.1% chance of exploitation in the next 30 days. Information disclosure while processing the hash segment in an MBN file.
• CVE-2025-21464, published 2025-08-06. Medium severity, CVSS 6.5. EPSS: 0.1% chance of exploitation in the next 30 days. Information disclosure while reading data from an image using specified offset and size parameters.