CVE-2025-21477

🗓️ 06 Aug 2025 07:25:59Reported by qualcommType

CVE-2025-21477 involves improper input validation causing transient denial of service in modem.

Reporter	Title	Published	Views	Family All 9
Circl	CVE-2025-21477	6 Aug 202507:52	–	circl
CNNVD	Qualcomm Chipsets 输入验证错误漏洞	6 Aug 202500:00	–	cnnvd
Cvelist	CVE-2025-21477 Improper Input Validation in Modem	6 Aug 202507:25	–	cvelist
EUVD	EUVD-2025-23799	3 Oct 202520:07	–	euvd
NCSC	Vulnerabilities fixed in Google Android and Samsung Mobile	4 Sep 202508:15	–	ncsc
NVD	CVE-2025-21477	6 Aug 202508:15	–	nvd
Positive Technologies	PT-2025-30982 · Qualcomm · 315 5G Iot Modem Firmware +81	26 Jul 202500:00	–	ptsecurity
RedhatCVE	CVE-2025-21477	8 Aug 202507:31	–	redhatcve
Vulnrichment	CVE-2025-21477 Improper Input Validation in Modem	6 Aug 202507:25	–	vulnrichment

NVD

Node

qualcomm 315_5g_iot_modem_firmwareMatch-

AND

qualcomm 315_5g_iot_modemMatch-

Node

qualcomm ar8035_firmwareMatch-

AND

qualcomm ar8035Match-

Node

qualcomm fastconnect_6200_firmwareMatch-

AND

qualcomm fastconnect_6200Match-

Node

qualcomm fastconnect_6700_firmwareMatch-

AND

qualcomm fastconnect_6700Match-

Node

qualcomm fastconnect_6800_firmwareMatch-

AND

qualcomm fastconnect_6800Match-

Node

qualcomm fastconnect_6900_firmwareMatch-

AND

qualcomm fastconnect_6900Match-

Node

qualcomm fastconnect_7800_firmwareMatch-

AND

qualcomm fastconnect_7800Match-

Node

qualcomm qca6391_firmwareMatch-

AND

qualcomm qca6391Match-

Node

qualcomm qca6574a_firmwareMatch-

AND

qualcomm qca6574aMatch-

Node

qualcomm qca6584au_firmwareMatch-

AND

qualcomm qca6584auMatch-

Node

qualcomm qca6595au_firmwareMatch-

AND

qualcomm qca6595auMatch-

Node

qualcomm qca6696_firmwareMatch-

AND

qualcomm qca6696Match-

Node

qualcomm qca6698aq_firmwareMatch-

AND

qualcomm qca6698aqMatch-

Node

qualcomm qca8081_firmwareMatch-

AND

qualcomm qca8081Match-

Node

qualcomm qca8337_firmwareMatch-

AND

qualcomm qca8337Match-

Node

qualcomm qcc710_firmwareMatch-

AND

qualcomm qcc710Match-

Node

qualcomm qcm5430_firmwareMatch-

AND

qualcomm qcm5430Match-

Node

qualcomm qcm6490_firmwareMatch-

AND

qualcomm qcm6490Match-

Node

qualcomm qcn6024_firmwareMatch-

AND

qualcomm qcn6024Match-

Node

qualcomm qcn6224_firmwareMatch-

AND

qualcomm qcn6224Match-

Node

qualcomm qcn6274_firmwareMatch-

AND

qualcomm qcn6274Match-

Node

qualcomm qcn9024_firmwareMatch-

AND

qualcomm qcn9024Match-

Node

qualcomm qcs5430_firmwareMatch-

AND

qualcomm qcs5430Match-

Node

qualcomm qcs6490_firmwareMatch-

AND

qualcomm qcs6490Match-

Node

qualcomm qcs8550_firmwareMatch-

AND

qualcomm qcs8550Match-

Node

qualcomm qfw7114_firmwareMatch-

AND

qualcomm qfw7114Match-

Node

qualcomm qfw7124_firmwareMatch-

AND

qualcomm qfw7124Match-

Node

qualcomm video_collaboration_vc3_platform_firmwareMatch-

AND

qualcomm video_collaboration_vc3_platformMatch-

Node

qualcomm sdx55_firmwareMatch-

AND

qualcomm sdx55Match-

Node

qualcomm sdx57m_firmwareMatch-

AND

qualcomm sdx57mMatch-

Node

qualcomm sg8275p_firmwareMatch-

AND

qualcomm sg8275pMatch-

Node

qualcomm sm7250p_firmwareMatch-

AND

qualcomm sm7250pMatch-

Node

qualcomm sm7325p_firmwareMatch-

AND

qualcomm sm7325pMatch-

Node

qualcomm sm7675_firmwareMatch-

AND

qualcomm sm7675Match-

Node

qualcomm sm7675p_firmwareMatch-

AND

qualcomm sm7675pMatch-

Node

qualcomm sm8550p_firmwareMatch-

AND

qualcomm sm8550pMatch-

Node

qualcomm sm8635_firmwareMatch-

AND

qualcomm sm8635Match-

Node

qualcomm sm8635p_firmwareMatch-

AND

qualcomm sm8635pMatch-

Node

qualcomm snapdragon_4_gen_1_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_4_gen_1_mobile_platformMatch-

Node

qualcomm snapdragon_480_5g_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_480_5g_mobile_platformMatch-

Node

qualcomm snapdragon_480+_5g_mobile_platform_(sm4350-ac)_firmwareMatch-

AND

qualcomm snapdragon_480+_5g_mobile_platform_(sm4350-ac)Match-

Node

qualcomm snapdragon_690_5g_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_690_5g_mobile_platformMatch-

Node

qualcomm snapdragon_695_5g_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_695_5g_mobile_platformMatch-

Node

qualcomm snapdragon_765_5g_mobile_platform_(sm7250-aa)_firmwareMatch-

AND

qualcomm snapdragon_765_5g_mobile_platform_(sm7250-aa)Match-

Node

qualcomm snapdragon_765g_5g_mobile_platform_(sm7250-ab)_firmwareMatch-

AND

qualcomm snapdragon_765g_5g_mobile_platform_(sm7250-ab)Match-

Node

qualcomm snapdragon_768g_5g_mobile_platform_(sm7250-ac)_firmwareMatch-

AND

qualcomm snapdragon_768g_5g_mobile_platform_(sm7250-ac)Match-

Node

qualcomm snapdragon_778g_5g_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_778g_5g_mobile_platformMatch-

Node

qualcomm snapdragon_778g+_5g_mobile_platform_(sm7325-ae)_firmwareMatch-

AND

qualcomm snapdragon_778g+_5g_mobile_platform_(sm7325-ae)Match-

Node

qualcomm snapdragon_780g_5g_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_780g_5g_mobile_platformMatch-

Node

qualcomm snapdragon_782g_mobile_platform_(sm7325-af)_firmwareMatch-

AND

qualcomm snapdragon_782g_mobile_platform_(sm7325-af)Match-

Node

qualcomm snapdragon_7c+_gen_3_compute_firmwareMatch-

AND

qualcomm snapdragon_7c+_gen_3_computeMatch-

Node

qualcomm snapdragon_8_gen_1_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_8_gen_1_mobile_platformMatch-

Node

qualcomm snapdragon_8_gen_2_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_8_gen_2_mobile_platformMatch-

Node

qualcomm snapdragon_8_gen_3_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_8_gen_3_mobile_platformMatch-

Node

qualcomm snapdragon_8+_gen_1_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_8+_gen_1_mobile_platformMatch-

Node

qualcomm snapdragon_8+_gen_2_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_8+_gen_2_mobile_platformMatch-

Node

qualcomm snapdragon_865_5g_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_865_5g_mobile_platformMatch-

Node

qualcomm snapdragon_865+_5g_mobile_platform_(sm8250-ab)_firmwareMatch-

AND

qualcomm snapdragon_865+_5g_mobile_platform_(sm8250-ab)Match-

Node

qualcomm snapdragon_870_5g_mobile_platform_(sm8250-ac)_firmwareMatch-

AND

qualcomm snapdragon_870_5g_mobile_platform_(sm8250-ac)Match-

Node

qualcomm snapdragon_888_5g_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_888_5g_mobile_platformMatch-

Node

qualcomm snapdragon_888+_5g_mobile_platform_(sm8350-ac)_firmwareMatch-

AND

qualcomm snapdragon_888+_5g_mobile_platform_(sm8350-ac)Match-

Node

qualcomm snapdragon_auto_5g_modem-rf_firmwareMatch-

AND

qualcomm snapdragon_auto_5g_modem-rfMatch-

Node

qualcomm snapdragon_auto_5g_modem-rf_gen_2_firmwareMatch-

AND

qualcomm snapdragon_auto_5g_modem-rf_gen_2Match-

Node

qualcomm snapdragon_x55_5g_modem-rf_system_firmwareMatch-

AND

qualcomm snapdragon_x55_5g_modem-rf_systemMatch-

Node

qualcomm snapdragon_x62_5g_modem-rf_system_firmwareMatch-

AND

qualcomm snapdragon_x62_5g_modem-rf_systemMatch-

Node

qualcomm snapdragon_x65_5g_modem-rf_system_firmwareMatch-

AND

qualcomm snapdragon_x65_5g_modem-rf_systemMatch-

Node

qualcomm snapdragon_x70_modem-rf_system_firmwareMatch-

AND

qualcomm snapdragon_x70_modem-rf_systemMatch-

Node

qualcomm snapdragon_x72_5g_modem-rf_system_firmwareMatch-

AND

qualcomm snapdragon_x72_5g_modem-rf_systemMatch-

Node

qualcomm snapdragon_x75_5g_modem-rf_system_firmwareMatch-

AND

qualcomm snapdragon_x75_5g_modem-rf_systemMatch-

Node

qualcomm wcd9340_firmwareMatch-

AND

qualcomm wcd9340Match-

Node

qualcomm wcd9341_firmwareMatch-

AND

qualcomm wcd9341Match-

Node

qualcomm wcd9360_firmwareMatch-

AND

qualcomm wcd9360Match-

Node

qualcomm wcd9370_firmwareMatch-

AND

qualcomm wcd9370Match-

Node

qualcomm wcd9375_firmwareMatch-

AND

qualcomm wcd9375Match-

Node

qualcomm wcd9380_firmwareMatch-

AND

qualcomm wcd9380Match-

Node

qualcomm wcd9385_firmwareMatch-

AND

qualcomm wcd9385Match-

Node

qualcomm wcd9390_firmwareMatch-

AND

qualcomm wcd9390Match-

Node

qualcomm wcd9395_firmwareMatch-

AND

qualcomm wcd9395Match-

Node

qualcomm wcn3988_firmwareMatch-

AND

qualcomm wcn3988Match-

Node

qualcomm wcn6740_firmwareMatch-

AND

qualcomm wcn6740Match-

Node

qualcomm wcn6755_firmwareMatch-

AND

qualcomm wcn6755Match-

Node

qualcomm wsa8810_firmwareMatch-

AND

qualcomm wsa8810Match-

Node

qualcomm wsa8815_firmwareMatch-

AND

qualcomm wsa8815Match-

Node

qualcomm wsa8830_firmwareMatch-

AND

qualcomm wsa8830Match-

Node

qualcomm wsa8832_firmwareMatch-

AND

qualcomm wsa8832Match-

Node

qualcomm wsa8835_firmwareMatch-

AND

qualcomm wsa8835Match-

Node

qualcomm wsa8840_firmwareMatch-

AND

qualcomm wsa8840Match-

Node

qualcomm wsa8845_firmwareMatch-

AND

qualcomm wsa8845Match-

Node

qualcomm wsa8845h_firmwareMatch-

AND

qualcomm wsa8845hMatch-

[
  {
    "defaultStatus": "unaffected",
    "platforms": [
      "Snapdragon Auto",
      "Snapdragon Compute",
      "Snapdragon Consumer IOT",
      "Snapdragon Industrial IOT",
      "Snapdragon Mobile"
    ],
    "product": "Snapdragon",
    "vendor": "Qualcomm, Inc.",
    "versions": [
      {
        "status": "affected",
        "version": "315 5G IoT Modem"
      },
      {
        "status": "affected",
        "version": "AR8035"
      },
      {
        "status": "affected",
        "version": "FastConnect 6200"
      },
      {
        "status": "affected",
        "version": "FastConnect 6700"
      },
      {
        "status": "affected",
        "version": "FastConnect 6800"
      },
      {
        "status": "affected",
        "version": "FastConnect 6900"
      },
      {
        "status": "affected",
        "version": "FastConnect 7800"
      },
      {
        "status": "affected",
        "version": "QCA6391"
      },
      {
        "status": "affected",
        "version": "QCA6574A"
      },
      {
        "status": "affected",
        "version": "QCA6584AU"
      },
      {
        "status": "affected",
        "version": "QCA6595AU"
      },
      {
        "status": "affected",
        "version": "QCA6696"
      },
      {
        "status": "affected",
        "version": "QCA6698AQ"
      },
      {
        "status": "affected",
        "version": "QCA8081"
      },
      {
        "status": "affected",
        "version": "QCA8337"
      },
      {
        "status": "affected",
        "version": "QCC710"
      },
      {
        "status": "affected",
        "version": "QCM5430"
      },
      {
        "status": "affected",
        "version": "QCM6490"
      },
      {
        "status": "affected",
        "version": "QCN6024"
      },
      {
        "status": "affected",
        "version": "QCN6224"
      },
      {
        "status": "affected",
        "version": "QCN6274"
      },
      {
        "status": "affected",
        "version": "QCN9024"
      },
      {
        "status": "affected",
        "version": "QCS5430"
      },
      {
        "status": "affected",
        "version": "QCS6490"
      },
      {
        "status": "affected",
        "version": "QCS8550"
      },
      {
        "status": "affected",
        "version": "QFW7114"
      },
      {
        "status": "affected",
        "version": "QFW7124"
      },
      {
        "status": "affected",
        "version": "Qualcomm Video Collaboration VC3 Platform"
      },
      {
        "status": "affected",
        "version": "SDX55"
      },
      {
        "status": "affected",
        "version": "SDX57M"
      },
      {
        "status": "affected",
        "version": "SG8275P"
      },
      {
        "status": "affected",
        "version": "SM7250P"
      },
      {
        "status": "affected",
        "version": "SM7325P"
      },
      {
        "status": "affected",
        "version": "SM7675"
      },
      {
        "status": "affected",
        "version": "SM7675P"
      },
      {
        "status": "affected",
        "version": "SM8550P"
      },
      {
        "status": "affected",
        "version": "SM8635"
      },
      {
        "status": "affected",
        "version": "SM8635P"
      },
      {
        "status": "affected",
        "version": "Snapdragon 4 Gen 1 Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 480 5G Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 480+ 5G Mobile Platform (SM4350-AC)"
      },
      {
        "status": "affected",
        "version": "Snapdragon 690 5G Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 695 5G Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 765 5G Mobile Platform (SM7250-AA)"
      },
      {
        "status": "affected",
        "version": "Snapdragon 765G 5G Mobile Platform (SM7250-AB)"
      },
      {
        "status": "affected",
        "version": "Snapdragon 768G 5G Mobile Platform (SM7250-AC)"
      },
      {
        "status": "affected",
        "version": "Snapdragon 778G 5G Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)"
      },
      {
        "status": "affected",
        "version": "Snapdragon 780G 5G Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 782G Mobile Platform (SM7325-AF)"
      },
      {
        "status": "affected",
        "version": "Snapdragon 7c+ Gen 3 Compute"
      },
      {
        "status": "affected",
        "version": "Snapdragon 8 Gen 1 Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 8 Gen 2 Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 8 Gen 3 Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 8+ Gen 1 Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 8+ Gen 2 Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 865 5G Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 865+ 5G Mobile Platform (SM8250-AB)"
      },
      {
        "status": "affected",
        "version": "Snapdragon 870 5G Mobile Platform (SM8250-AC)"
      },
      {
        "status": "affected",
        "version": "Snapdragon 888 5G Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 888+ 5G Mobile Platform (SM8350-AC)"
      },
      {
        "status": "affected",
        "version": "Snapdragon Auto 5G Modem-RF"
      },
      {
        "status": "affected",
        "version": "Snapdragon Auto 5G Modem-RF Gen 2"
      },
      {
        "status": "affected",
        "version": "Snapdragon X55 5G Modem-RF System"
      },
      {
        "status": "affected",
        "version": "Snapdragon X62 5G Modem-RF System"
      },
      {
        "status": "affected",
        "version": "Snapdragon X65 5G Modem-RF System"
      },
      {
        "status": "affected",
        "version": "Snapdragon X70 Modem-RF System"
      },
      {
        "status": "affected",
        "version": "Snapdragon X72 5G Modem-RF System"
      },
      {
        "status": "affected",
        "version": "Snapdragon X75 5G Modem-RF System"
      },
      {
        "status": "affected",
        "version": "WCD9340"
      },
      {
        "status": "affected",
        "version": "WCD9341"
      },
      {
        "status": "affected",
        "version": "WCD9360"
      },
      {
        "status": "affected",
        "version": "WCD9370"
      },
      {
        "status": "affected",
        "version": "WCD9375"
      },
      {
        "status": "affected",
        "version": "WCD9380"
      },
      {
        "status": "affected",
        "version": "WCD9385"
      },
      {
        "status": "affected",
        "version": "WCD9390"
      },
      {
        "status": "affected",
        "version": "WCD9395"
      },
      {
        "status": "affected",
        "version": "WCN3988"
      },
      {
        "status": "affected",
        "version": "WCN6740"
      },
      {
        "status": "affected",
        "version": "WCN6755"
      },
      {
        "status": "affected",
        "version": "WSA8810"
      },
      {
        "status": "affected",
        "version": "WSA8815"
      },
      {
        "status": "affected",
        "version": "WSA8830"
      },
      {
        "status": "affected",
        "version": "WSA8832"
      },
      {
        "status": "affected",
        "version": "WSA8835"
      },
      {
        "status": "affected",
        "version": "WSA8840"
      },
      {
        "status": "affected",
        "version": "WSA8845"
      },
      {
        "status": "affected",
        "version": "WSA8845H"
      }
    ]
  }
]

Source	Link
docs	www.docs.qualcomm.com/product/publicresources/securitybulletin/august-2025-bulletin.html

20 Aug 2025 19:42Current

6.6Medium risk

Vulners AI Score6.6

CVSS 3.17.5

EPSS0.00381

SSVC

CWE-20

cve-2025-21477 improper input validation modem transient denial of service ccch data