{"cve":"CVE-2025-21477","nvd":{"published":"2025-08-06T08:15:28.580","modified":"2026-06-17T08:43:33.460","status":"Analyzed","description":"Transient DOS while processing CCCH data when NW sends data with invalid length.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-20"],"references":["https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2025-bulletin.html"],"products":["qualcomm:315_5g_iot_modem_firmware","qualcomm:ar8035_firmware","qualcomm:fastconnect_6200_firmware","qualcomm:fastconnect_6700_firmware","qualcomm:fastconnect_6800_firmware","qualcomm:fastconnect_6900_firmware","qualcomm:fastconnect_7800_firmware","qualcomm:qca6391_firmware","qualcomm:qca6574a_firmware","qualcomm:qca6584au_firmware","qualcomm:qca6595au_firmware","qualcomm:qca6696_firmware","qualcomm:qca6698aq_firmware","qualcomm:qca8081_firmware","qualcomm:qca8337_firmware","qualcomm:qcc710_firmware","qualcomm:qcm5430_firmware","qualcomm:qcm6490_firmware","qualcomm:qcn6024_firmware","qualcomm:qcn6224_firmware","qualcomm:qcn6274_firmware","qualcomm:qcn9024_firmware","qualcomm:qcs5430_firmware","qualcomm:qcs6490_firmware","qualcomm:qcs8550_firmware","qualcomm:qfw7114_firmware","qualcomm:qfw7124_firmware","qualcomm:sdx55_firmware","qualcomm:sdx57m_firmware","qualcomm:sg8275p_firmware","qualcomm:sm7250p_firmware","qualcomm:sm7325p_firmware","qualcomm:sm7675_firmware","qualcomm:sm7675p_firmware","qualcomm:sm8550p_firmware","qualcomm:sm8635_firmware","qualcomm:sm8635p_firmware","qualcomm:snapdragon_480\\+_5g_mobile_platform_\\(sm4350-ac\\)_firmware","qualcomm:snapdragon_480_5g_mobile_platform_firmware","qualcomm:snapdragon_4_gen_1_mobile_platform_firmware","qualcomm:snapdragon_690_5g_mobile_platform_firmware","qualcomm:snapdragon_695_5g_mobile_platform_firmware","qualcomm:snapdragon_765_5g_mobile_platform_\\(sm7250-aa\\)_firmware","qualcomm:snapdragon_765g_5g_mobile_platform_\\(sm7250-ab\\)_firmware","qualcomm:snapdragon_768g_5g_mobile_platform_\\(sm7250-ac\\)_firmware","qualcomm:snapdragon_778g\\+_5g_mobile_platform_\\(sm7325-ae\\)_firmware","qualcomm:snapdragon_778g_5g_mobile_platform_firmware","qualcomm:snapdragon_780g_5g_mobile_platform_firmware","qualcomm:snapdragon_782g_mobile_platform_\\(sm7325-af\\)_firmware","qualcomm:snapdragon_7c\\+_gen_3_compute_firmware"],"source":"nvd","synced_at":"2026-10-19T22:06:45.861874017+00:00"},"epss":{"cve":"CVE-2025-21477","score":0.00237,"percentile":0.1481,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}