CVE-2025-21452

Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network. It has a CVSS v3.1 base score of 7.5 (HIGH).

CVE-2025-21452 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-2025-21452 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, fsm10055, fsm10055_firmware, qca6174a, qca6174a_firmware, qca6391, qca6391_firmware, qca6421, qca6421_firmware, qca6426, qca6426_firmware, qca6431, qca6431_firmware, qca6436, qca6436_firmware, qca6574a, qca6574a_firmware, qca6574au, qca6574au_firmware, qca6595au, qca6595au_firmware, qca6696, qca6696_firmware, qca6698aq, qca6698aq_firmware, qca8337, qca8337_firmware, qcm5430, qcm5430_firmware, qcm6490, qcm6490_firmware, qcs5430, qcs5430_firmware, qcs6490, qcs6490_firmware, qep8111, qep8111_firmware, sd855, sd855_firmware, sd865_5g, sd865_5g_firmware, sdx55, sdx55_firmware, sdx57m, sdx57m_firmware, sm6370, sm6370_firmware, sm6650, sm6650_firmware, sm7250p, sm7250p_firmware, sm7325p, sm7325p_firmware, sm7635, sm7635_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_855\+\/860_mobile_platform_\(sm8150-ac\), snapdragon_855\+\/860_mobile_platform_\(sm8150-ac\)_firmware, snapdragon_855_mobile_platform, snapdragon_855_mobile_platform_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_auto_5g_modem-rf, snapdragon_auto_5g_modem-rf_firmware, snapdragon_x35_5g_modem-rf_system, snapdragon_x35_5g_modem-rf_system_firmware, snapdragon_x55_5g_modem-rf_system, snapdragon_x55_5g_modem-rf_system_firmware, snapdragon_xr2_5g_platform, snapdragon_xr2_5g_platform_firmware, sxr2130, sxr2130_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, wcd9378, wcd9378_firmware, wcd9380, wcd9380_firmware, wcd9385, wcd9385_firmware, wcd9395, wcd9395_firmware, wcn3988, wcn3988_firmware, wcn6450, wcn6450_firmware, wcn6650, wcn6650_firmware, wcn6740, wcn6740_firmware, wcn6755, wcn6755_firmware, wcn7861, wcn7861_firmware, wcn7881, wcn7881_firmware, wsa8810, wsa8810_firmware, wsa8815, wsa8815_firmware, wsa8830, wsa8830_firmware, wsa8832, wsa8832_firmware, wsa8835, wsa8835_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.