CVE-2026-21381

🗓️ 06 Apr 2026 15:33:55Reported by qualcommType

Buffer over-read in WLAN firmware causes denial of service from oversized service data frames during device matching.

Reporter	Title	Published	Views	Family All 9
Circl	CVE-2026-21381	6 Apr 202616:24	–	circl
CNNVD	Qualcomm Chipsets 安全漏洞	6 Apr 202600:00	–	cnnvd
Cvelist	CVE-2026-21381 Buffer Over-read in WLAN Firmware	6 Apr 202615:33	–	cvelist
EUVD	EUVD-2026-19337	6 Apr 202618:33	–	euvd
NCSC	Vulnerabilities found in Google Android and Samsung Mobile devices	2 Jun 202608:00	–	ncsc
NVD	CVE-2026-21381	6 Apr 202616:16	–	nvd
Positive Technologies	PT-2026-30649	6 Apr 202600:00	–	ptsecurity
RedhatCVE	CVE-2026-21381	7 Apr 202617:03	–	redhatcve
Vulnrichment	CVE-2026-21381 Buffer Over-read in WLAN Firmware	6 Apr 202615:33	–	vulnrichment

NVD

Node

qualcomm ar8035_firmwareMatch-

AND

qualcomm ar8035Match-

Node

qualcomm cologne_firmwareMatch-

AND

qualcomm cologneMatch-

Node

qualcomm fastconnect_6200_firmwareMatch-

AND

qualcomm fastconnect_6200Match-

Node

qualcomm fastconnect_6700_firmwareMatch-

AND

qualcomm fastconnect_6700Match-

Node

qualcomm fastconnect_6900_firmwareMatch-

AND

qualcomm fastconnect_6900Match-

Node

qualcomm fastconnect_7800_firmwareMatch-

AND

qualcomm fastconnect_7800Match-

Node

qualcomm fwa_gen_3_ultra_firmwareMatch-

AND

qualcomm fwa_gen_3_ultraMatch-

Node

qualcomm g2_gen_1_firmwareMatch-

AND

qualcomm g2_gen_1Match-

Node

qualcomm milos_firmwareMatch-

AND

qualcomm milosMatch-

Node

qualcomm netrani_firmwareMatch-

AND

qualcomm netraniMatch-

Node

qualcomm orne_firmwareMatch-

AND

qualcomm orneMatch-

Node

qualcomm palawan25_firmwareMatch-

AND

qualcomm palawan25Match-

Node

qualcomm pandeiro_firmwareMatch-

AND

qualcomm pandeiroMatch-

Node

qualcomm qca6391_firmwareMatch-

AND

qualcomm qca6391Match-

Node

qualcomm qca6698au_firmwareMatch-

AND

qualcomm qca6698auMatch-

Node

qualcomm qca6777aq_firmwareMatch-

AND

qualcomm qca6777aqMatch-

Node

qualcomm qca6787aq_firmwareMatch-

AND

qualcomm qca6787aqMatch-

Node

qualcomm qca6797aq_firmwareMatch-

AND

qualcomm qca6797aqMatch-

Node

qualcomm qca8081_firmwareMatch-

AND

qualcomm qca8081Match-

Node

qualcomm qca8337_firmwareMatch-

AND

qualcomm qca8337Match-

Node

qualcomm qcc2073_firmwareMatch-

AND

qualcomm qcc2073Match-

Node

qualcomm qcc2076_firmwareMatch-

AND

qualcomm qcc2076Match-

Node

qualcomm qcc710_firmwareMatch-

AND

qualcomm qcc710Match-

Node

qualcomm qcn6224_firmwareMatch-

AND

qualcomm qcn6224Match-

Node

qualcomm qcn6274_firmwareMatch-

AND

qualcomm qcn6274Match-

Node

qualcomm qcn9011_firmwareMatch-

AND

qualcomm qcn9011Match-

Node

qualcomm qcn9012_firmwareMatch-

AND

qualcomm qcn9012Match-

Node

qualcomm qcs8550_firmwareMatch-

AND

qualcomm qcs8550Match-

Node

qualcomm qfw7114_firmwareMatch-

AND

qualcomm qfw7114Match-

Node

qualcomm qfw7124_firmwareMatch-

AND

qualcomm qfw7124Match-

Node

qualcomm qln1083bd_firmwareMatch-

AND

qualcomm qln1083bdMatch-

Node

qualcomm qln1086bd_firmwareMatch-

AND

qualcomm qln1086bdMatch-

Node

qualcomm qmp1000_firmwareMatch-

AND

qualcomm qmp1000Match-

Node

qualcomm qpa1083bd_firmwareMatch-

AND

qualcomm qpa1083bdMatch-

Node

qualcomm qpa1086bd_firmwareMatch-

AND

qualcomm qpa1086bdMatch-

Node

qualcomm qxm1083_firmwareMatch-

AND

qualcomm qxm1083Match-

Node

qualcomm qxm1086_firmwareMatch-

AND

qualcomm qxm1086Match-

Node

qualcomm qxm1093_firmwareMatch-

AND

qualcomm qxm1093Match-

Node

qualcomm qxm1094_firmwareMatch-

AND

qualcomm qxm1094Match-

Node

qualcomm qxm1095_firmwareMatch-

AND

qualcomm qxm1095Match-

Node

qualcomm qxm1096_firmwareMatch-

AND

qualcomm qxm1096Match-

Node

qualcomm sar1165p_firmwareMatch-

AND

qualcomm sar1165pMatch-

Node

qualcomm sar2130p_firmwareMatch-

AND

qualcomm sar2130pMatch-

Node

qualcomm sc8380xp_firmwareMatch-

AND

qualcomm sc8380xpMatch-

Node

qualcomm sm6650p_firmwareMatch-

AND

qualcomm sm6650pMatch-

Node

qualcomm sm7435_firmwareMatch-

AND

qualcomm sm7435Match-

Node

qualcomm sm7635p_firmwareMatch-

AND

qualcomm sm7635pMatch-

Node

qualcomm sm7675_firmwareMatch-

AND

qualcomm sm7675Match-

Node

qualcomm sm7675p_firmwareMatch-

AND

qualcomm sm7675pMatch-

Node

qualcomm sm8635_firmwareMatch-

AND

qualcomm sm8635Match-

Node

qualcomm sm8635p_firmwareMatch-

AND

qualcomm sm8635pMatch-

Node

qualcomm sm8650q_firmwareMatch-

AND

qualcomm sm8650qMatch-

Node

qualcomm sm8750p_firmwareMatch-

AND

qualcomm sm8750pMatch-

Node

qualcomm snapdragon_6_gen_1_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_6_gen_1_mobile_platformMatch-

Node

qualcomm snapdragon_6_gen_3_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_6_gen_3_mobile_platformMatch-

Node

qualcomm snapdragon_6_gen_4_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_6_gen_4_mobile_platformMatch-

Node

qualcomm snapdragon_7s_gen_3_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_7s_gen_3_mobile_platformMatch-

Node

qualcomm snapdragon_8_elite_firmwareMatch-

AND

qualcomm snapdragon_8_eliteMatch-

Node

qualcomm snapdragon_8_elite_gen_5_firmwareMatch-

AND

qualcomm snapdragon_8_elite_gen_5Match-

Node

qualcomm snapdragon_8_gen_3_mobile_platform_firmwareMatch-

AND

qualcomm snapdragon_8_gen_3_mobile_platformMatch-

Node

qualcomm snapdragon_ar1_gen_1_platform_firmwareMatch-

AND

qualcomm snapdragon_ar1_gen_1_platformMatch-

Node

qualcomm snapdragon_ar1+_gen_1_platform_firmwareMatch-

AND

qualcomm snapdragon_ar1+_gen_1_platformMatch-

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 sxr2230p_firmwareMatch-

AND

qualcomm sxr2230pMatch-

Node

qualcomm sxr2250p_firmwareMatch-

AND

qualcomm sxr2250pMatch-

Node

qualcomm sxr2330p_firmwareMatch-

AND

qualcomm sxr2330pMatch-

Node

qualcomm sxr2350p_firmwareMatch-

AND

qualcomm sxr2350pMatch-

Node

qualcomm wcd9340_firmwareMatch-

AND

qualcomm wcd9340Match-

Node

qualcomm wcd9370_firmwareMatch-

AND

qualcomm wcd9370Match-

Node

qualcomm wcd9375_firmwareMatch-

AND

qualcomm wcd9375Match-

Node

qualcomm wcd9378_firmwareMatch-

AND

qualcomm wcd9378Match-

Node

qualcomm wcd9378c_firmwareMatch-

AND

qualcomm wcd9378cMatch-

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 wcn6450_firmwareMatch-

AND

qualcomm wcn6450Match-

Node

qualcomm wcn6650_firmwareMatch-

AND

qualcomm wcn6650Match-

Node

qualcomm wcn6755_firmwareMatch-

AND

qualcomm wcn6755Match-

Node

qualcomm wcn7860_firmwareMatch-

AND

qualcomm wcn7860Match-

Node

qualcomm wcn7861_firmwareMatch-

AND

qualcomm wcn7861Match-

Node

qualcomm wcn7880_firmwareMatch-

AND

qualcomm wcn7880Match-

Node

qualcomm wcn7881_firmwareMatch-

AND

qualcomm wcn7881Match-

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-

Node

qualcomm x2000077_firmwareMatch-

AND

qualcomm x2000077Match-

Node

qualcomm x2000086_firmwareMatch-

AND

qualcomm x2000086Match-

Node

qualcomm x2000090_firmwareMatch-

AND

qualcomm x2000090Match-

Node

qualcomm x2000092_firmwareMatch-

AND

qualcomm x2000092Match-

Node

qualcomm x2000094_firmwareMatch-

AND

qualcomm x2000094Match-

Node

qualcomm xg101002_firmwareMatch-

AND

qualcomm xg101002Match-

Node

qualcomm xg101032_firmwareMatch-

AND

qualcomm xg101032Match-

Node

qualcomm xg101039_firmwareMatch-

AND

qualcomm xg101039Match-

Node

qualcomm xrv7209_firmwareMatch-

AND

qualcomm xrv7209Match-

Node

qualcomm xrv9209_firmwareMatch-

AND

qualcomm xrv9209Match-

[
  {
    "defaultStatus": "unaffected",
    "platforms": [
      "Snapdragon Auto",
      "Snapdragon CCW",
      "Snapdragon Compute",
      "Snapdragon Consumer Electronics Connectivity",
      "Snapdragon Consumer IOT",
      "Snapdragon Industrial IOT",
      "Snapdragon MC",
      "Snapdragon Mobile",
      "Snapdragon WBC"
    ],
    "product": "Snapdragon",
    "vendor": "Qualcomm, Inc.",
    "versions": [
      {
        "status": "affected",
        "version": "AR8035"
      },
      {
        "status": "affected",
        "version": "Cologne"
      },
      {
        "status": "affected",
        "version": "FastConnect 6200"
      },
      {
        "status": "affected",
        "version": "FastConnect 6700"
      },
      {
        "status": "affected",
        "version": "FastConnect 6900"
      },
      {
        "status": "affected",
        "version": "FastConnect 7800"
      },
      {
        "status": "affected",
        "version": "FWA Gen 3 Ultra Platform"
      },
      {
        "status": "affected",
        "version": "G2 Gen 1"
      },
      {
        "status": "affected",
        "version": "Milos"
      },
      {
        "status": "affected",
        "version": "Netrani"
      },
      {
        "status": "affected",
        "version": "Orne"
      },
      {
        "status": "affected",
        "version": "Palawan25"
      },
      {
        "status": "affected",
        "version": "Pandeiro"
      },
      {
        "status": "affected",
        "version": "QCA6391"
      },
      {
        "status": "affected",
        "version": "QCA6698AU"
      },
      {
        "status": "affected",
        "version": "QCA6777AQ"
      },
      {
        "status": "affected",
        "version": "QCA6787AQ"
      },
      {
        "status": "affected",
        "version": "QCA6797AQ"
      },
      {
        "status": "affected",
        "version": "QCA8081"
      },
      {
        "status": "affected",
        "version": "QCA8337"
      },
      {
        "status": "affected",
        "version": "QCC2073"
      },
      {
        "status": "affected",
        "version": "QCC2076"
      },
      {
        "status": "affected",
        "version": "QCC710"
      },
      {
        "status": "affected",
        "version": "QCN6224"
      },
      {
        "status": "affected",
        "version": "QCN6274"
      },
      {
        "status": "affected",
        "version": "QCN9011"
      },
      {
        "status": "affected",
        "version": "QCN9012"
      },
      {
        "status": "affected",
        "version": "QCS8550"
      },
      {
        "status": "affected",
        "version": "QFW7114"
      },
      {
        "status": "affected",
        "version": "QFW7124"
      },
      {
        "status": "affected",
        "version": "QLN1083BD"
      },
      {
        "status": "affected",
        "version": "QLN1086BD"
      },
      {
        "status": "affected",
        "version": "QMP1000"
      },
      {
        "status": "affected",
        "version": "QPA1083BD"
      },
      {
        "status": "affected",
        "version": "QPA1086BD"
      },
      {
        "status": "affected",
        "version": "QXM1083"
      },
      {
        "status": "affected",
        "version": "QXM1086"
      },
      {
        "status": "affected",
        "version": "QXM1093"
      },
      {
        "status": "affected",
        "version": "QXM1094"
      },
      {
        "status": "affected",
        "version": "QXM1095"
      },
      {
        "status": "affected",
        "version": "QXM1096"
      },
      {
        "status": "affected",
        "version": "SAR1165P"
      },
      {
        "status": "affected",
        "version": "SAR2130P"
      },
      {
        "status": "affected",
        "version": "SC8380XP"
      },
      {
        "status": "affected",
        "version": "SM6650P"
      },
      {
        "status": "affected",
        "version": "SM7435"
      },
      {
        "status": "affected",
        "version": "SM7635P"
      },
      {
        "status": "affected",
        "version": "SM7675"
      },
      {
        "status": "affected",
        "version": "SM7675P"
      },
      {
        "status": "affected",
        "version": "SM8635"
      },
      {
        "status": "affected",
        "version": "SM8635P"
      },
      {
        "status": "affected",
        "version": "SM8650Q"
      },
      {
        "status": "affected",
        "version": "SM8750P"
      },
      {
        "status": "affected",
        "version": "Snapdragon 6 Gen 1 Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 6 Gen 3 Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 6 Gen 4 Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 7s Gen 3 Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon 8 Elite"
      },
      {
        "status": "affected",
        "version": "Snapdragon 8 Elite Gen 5"
      },
      {
        "status": "affected",
        "version": "Snapdragon 8 Gen 3 Mobile Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon AR1 Gen 1 Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon AR1+ Gen 1 Platform"
      },
      {
        "status": "affected",
        "version": "Snapdragon X72 5G Modem-RF System"
      },
      {
        "status": "affected",
        "version": "Snapdragon X75 5G Modem-RF System"
      },
      {
        "status": "affected",
        "version": "SXR2230P"
      },
      {
        "status": "affected",
        "version": "SXR2250P"
      },
      {
        "status": "affected",
        "version": "SXR2330P"
      },
      {
        "status": "affected",
        "version": "SXR2350P"
      },
      {
        "status": "affected",
        "version": "WCD9340"
      },
      {
        "status": "affected",
        "version": "WCD9370"
      },
      {
        "status": "affected",
        "version": "WCD9375"
      },
      {
        "status": "affected",
        "version": "WCD9378"
      },
      {
        "status": "affected",
        "version": "WCD9378C"
      },
      {
        "status": "affected",
        "version": "WCD9380"
      },
      {
        "status": "affected",
        "version": "WCD9385"
      },
      {
        "status": "affected",
        "version": "WCD9390"
      },
      {
        "status": "affected",
        "version": "WCD9395"
      },
      {
        "status": "affected",
        "version": "WCN3988"
      },
      {
        "status": "affected",
        "version": "WCN6450"
      },
      {
        "status": "affected",
        "version": "WCN6650"
      },
      {
        "status": "affected",
        "version": "WCN6755"
      },
      {
        "status": "affected",
        "version": "WCN7860"
      },
      {
        "status": "affected",
        "version": "WCN7861"
      },
      {
        "status": "affected",
        "version": "WCN7880"
      },
      {
        "status": "affected",
        "version": "WCN7881"
      },
      {
        "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"
      },
      {
        "status": "affected",
        "version": "X2000077"
      },
      {
        "status": "affected",
        "version": "X2000086"
      },
      {
        "status": "affected",
        "version": "X2000090"
      },
      {
        "status": "affected",
        "version": "X2000092"
      },
      {
        "status": "affected",
        "version": "X2000094"
      },
      {
        "status": "affected",
        "version": "XG101002"
      },
      {
        "status": "affected",
        "version": "XG101032"
      },
      {
        "status": "affected",
        "version": "XG101039"
      },
      {
        "status": "affected",
        "version": "XRV7209"
      },
      {
        "status": "affected",
        "version": "XRV9209"
      }
    ]
  }
]

Source	Link
docs	www.docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.html

08 Apr 2026 20:58Current

5.9Medium risk

Vulners AI Score5.9

CVSS 3.17.5 - 7.6

EPSS0.00033

SSVC

CWE-126