CVE-2025-21477

Transient DOS while processing CCCH data when NW sends data with invalid length. It has a CVSS v3.1 base score of 7.5 (HIGH).

CVE-2025-21477 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

CVE-2025-21477 affects products from qualcomm, specifically: 315_5g_iot_modem, 315_5g_iot_modem_firmware, ar8035, ar8035_firmware, fastconnect_6200, fastconnect_6200_firmware, fastconnect_6700, fastconnect_6700_firmware, fastconnect_6800, fastconnect_6800_firmware, fastconnect_6900, fastconnect_6900_firmware, fastconnect_7800, fastconnect_7800_firmware, qca6391, qca6391_firmware, qca6574a, qca6574a_firmware, qca6584au, qca6584au_firmware, qca6595au, qca6595au_firmware, qca6696, qca6696_firmware, qca6698aq, qca6698aq_firmware, qca8081, qca8081_firmware, qca8337, qca8337_firmware, qcc710, qcc710_firmware, qcm5430, qcm5430_firmware, qcm6490, qcm6490_firmware, qcn6024, qcn6024_firmware, qcn6224, qcn6224_firmware, qcn6274, qcn6274_firmware, qcn9024, qcn9024_firmware, qcs5430, qcs5430_firmware, qcs6490, qcs6490_firmware, qcs8550, qcs8550_firmware, qfw7114, qfw7114_firmware, qfw7124, qfw7124_firmware, sdx55, sdx55_firmware, sdx57m, sdx57m_firmware, sg8275p, sg8275p_firmware, sm7250p, sm7250p_firmware, sm7325p, sm7325p_firmware, sm7675, sm7675_firmware, sm7675p, sm7675p_firmware, sm8550p, sm8550p_firmware, sm8635, sm8635_firmware, sm8635p, sm8635p_firmware, snapdragon_480\+_5g_mobile_platform_\(sm4350-ac\), snapdragon_480\+_5g_mobile_platform_\(sm4350-ac\)_firmware, snapdragon_480_5g_mobile_platform, snapdragon_480_5g_mobile_platform_firmware, snapdragon_4_gen_1_mobile_platform, snapdragon_4_gen_1_mobile_platform_firmware, snapdragon_690_5g_mobile_platform, snapdragon_690_5g_mobile_platform_firmware, snapdragon_695_5g_mobile_platform, snapdragon_695_5g_mobile_platform_firmware, snapdragon_765_5g_mobile_platform_\(sm7250-aa\), snapdragon_765_5g_mobile_platform_\(sm7250-aa\)_firmware, snapdragon_765g_5g_mobile_platform_\(sm7250-ab\), snapdragon_765g_5g_mobile_platform_\(sm7250-ab\)_firmware, snapdragon_768g_5g_mobile_platform_\(sm7250-ac\), snapdragon_768g_5g_mobile_platform_\(sm7250-ac\)_firmware, snapdragon_778g\+_5g_mobile_platform_\(sm7325-ae\), snapdragon_778g\+_5g_mobile_platform_\(sm7325-ae\)_firmware, snapdragon_778g_5g_mobile_platform, snapdragon_778g_5g_mobile_platform_firmware, snapdragon_780g_5g_mobile_platform, snapdragon_780g_5g_mobile_platform_firmware, snapdragon_782g_mobile_platform_\(sm7325-af\), snapdragon_782g_mobile_platform_\(sm7325-af\)_firmware, snapdragon_7c\+_gen_3_compute, snapdragon_7c\+_gen_3_compute_firmware, snapdragon_865\+_5g_mobile_platform_\(sm8250-ab\), snapdragon_865\+_5g_mobile_platform_\(sm8250-ab\)_firmware, snapdragon_865_5g_mobile_platform, snapdragon_865_5g_mobile_platform_firmware, snapdragon_870_5g_mobile_platform_\(sm8250-ac\), snapdragon_870_5g_mobile_platform_\(sm8250-ac\)_firmware, snapdragon_888\+_5g_mobile_platform_\(sm8350-ac\), snapdragon_888\+_5g_mobile_platform_\(sm8350-ac\)_firmware, snapdragon_888_5g_mobile_platform, snapdragon_888_5g_mobile_platform_firmware, snapdragon_8\+_gen_1_mobile_platform, snapdragon_8\+_gen_1_mobile_platform_firmware, snapdragon_8\+_gen_2_mobile_platform, snapdragon_8\+_gen_2_mobile_platform_firmware, snapdragon_8_gen_1_mobile_platform, snapdragon_8_gen_1_mobile_platform_firmware, snapdragon_8_gen_2_mobile_platform, snapdragon_8_gen_2_mobile_platform_firmware, snapdragon_8_gen_3_mobile_platform, snapdragon_8_gen_3_mobile_platform_firmware, snapdragon_auto_5g_modem-rf, snapdragon_auto_5g_modem-rf_firmware, snapdragon_auto_5g_modem-rf_gen_2, snapdragon_auto_5g_modem-rf_gen_2_firmware, snapdragon_x55_5g_modem-rf_system, snapdragon_x55_5g_modem-rf_system_firmware, snapdragon_x62_5g_modem-rf_system, snapdragon_x62_5g_modem-rf_system_firmware, snapdragon_x65_5g_modem-rf_system, snapdragon_x65_5g_modem-rf_system_firmware, snapdragon_x70_modem-rf_system, snapdragon_x70_modem-rf_system_firmware, snapdragon_x72_5g_modem-rf_system, snapdragon_x72_5g_modem-rf_system_firmware, snapdragon_x75_5g_modem-rf_system, snapdragon_x75_5g_modem-rf_system_firmware, video_collaboration_vc3_platform, video_collaboration_vc3_platform_firmware, wcd9340, wcd9340_firmware, wcd9341, wcd9341_firmware, wcd9360, wcd9360_firmware, wcd9370, wcd9370_firmware, wcd9375, wcd9375_firmware, wcd9380, wcd9380_firmware, wcd9385, wcd9385_firmware, wcd9390, wcd9390_firmware, wcd9395, wcd9395_firmware, wcn3988, wcn3988_firmware, wcn6740, wcn6740_firmware, wcn6755, wcn6755_firmware, wsa8810, wsa8810_firmware, wsa8815, wsa8815_firmware, wsa8830, wsa8830_firmware, wsa8832, wsa8832_firmware, wsa8835, wsa8835_firmware, wsa8840, wsa8840_firmware, wsa8845, wsa8845_firmware, wsa8845h, wsa8845h_firmware. Check the affected products table above for specific version ranges.

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.