Qualcomm QCS8300 Firmware vulnerabilities

48 CVEs affecting Qualcomm QCS8300 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-27070, published 2025-11-04.

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Highest priority

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

• CVE-2024-45569, published 2025-02-03. Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days. Memory corruption while parsing the ML IE due to invalid frame content.
• 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-2025-21459, published 2025-05-06. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS while parsing per STA profile in ML IE.
• 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-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-2024-53027, published 2025-03-03. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS may occur while processing the country IE.
• CVE-2024-49839, published 2025-02-03. Critical severity, CVSS 9.8. EPSS: 0.3% chance of exploitation in the next 30 days. Memory corruption during management frame processing due to mismatch in T2LM info element.
• 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-2025-21448, published 2025-04-07. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS may occur while parsing SSID in action frames.
• CVE-2025-21434, published 2025-04-07. High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days. Transient DOS may occur while parsing EHT operation IE or EHT capability IE.

Latest

• CVE-2025-27070, published 2025-11-04. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. Memory corruption while performing encryption and decryption commands.
• 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-2025-27032, published 2025-09-24. High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days. memory corruption while loading a PIL authenticated VM, when authenticated VM image is loaded without maintaining cache coherency.
• 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-2025-21481, 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-2025-21465, 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.