CVE-2021-33536

🗓️ 25 Jun 2021 18:26:01Reported by CERTVDEType

cve🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 75 Views

Exploitable denial-of-service vulnerability in Weidmueller Industrial WLAN devices. Integer underflow triggers large memcpy accessing unmapped or out-of-bounds memory.

Reporter	Title	Published	Views	Family All 7
CNNVD	Weidmueller Industrial WLAN 数字错误漏洞	25 Jun 202100:00	–	cnnvd
CNVD	Weidmueller Industrial WLAN devices denial of service vulnerability	29 Jun 202100:00	–	cnvd
Cvelist	CVE-2021-33536 WEIDMUELLER: WLAN devices affected by Denial-of-Service vulnerability	25 Jun 202118:26	–	cvelist
EUVD	EUVD-2021-20228	7 Oct 202500:30	–	euvd
NVD	CVE-2021-33536	25 Jun 202119:15	–	nvd
OSV	CVE-2021-33536	25 Jun 202119:15	–	osv
Prion	Integer overflow	25 Jun 202119:15	–	prion

NVD

Vulners

Node

weidmueller ie-wl-bl-ap-cl-eu_firmwareRange≤1.16.18

AND

weidmueller ie-wl-bl-ap-cl-euMatch-

Node

weidmueller ie-wlt-bl-ap-cl-eu_firmwareRange≤1.16.18

AND

weidmueller ie-wlt-bl-ap-cl-euMatch-

Node

weidmueller ie-wl-bl-ap-cl-us_firmwareRange≤1.16.18

AND

weidmueller ie-wl-bl-ap-cl-usMatch-

Node

weidmueller ie-wlt-bl-ap-cl-us_firmwareRange≤1.16.18

AND

weidmueller ie-wlt-bl-ap-cl-usMatch-

Node

weidmueller ie-wl-vl-ap-br-cl-eu_firmwareRange≤1.16.18

AND

weidmueller ie-wl-vl-ap-br-cl-euMatch-

Node

weidmueller ie-wlt-vl-ap-br-cl-eu_firmwareRange≤1.16.18

AND

weidmueller ie-wlt-vl-ap-br-cl-euMatch-

Node

weidmueller ie-wl-vl-ap-br-cl-us_firmwareRange≤1.16.18

AND

weidmueller ie-wl-vl-ap-br-cl-usMatch-

Node

weidmueller ie-wlt-vl-ap-br-cl-us_firmwareRange≤1.16.18

AND

weidmueller ie-wlt-vl-ap-br-cl-usMatch-

Node

weidmueller ie-wl-bl-ap-cl-eu_firmwareRange≤1.11.10

AND

weidmueller ie-wl-bl-ap-cl-euMatch-

Node

weidmueller ie-wlt-bl-ap-cl-eu_firmwareRange≤1.11.10

AND

weidmueller ie-wlt-bl-ap-cl-euMatch-

Node

weidmueller ie-wl-bl-ap-cl-us_firmwareRange≤1.11.10

AND

weidmueller ie-wl-bl-ap-cl-usMatch-

Node

weidmueller ie-wlt-bl-ap-cl-us_firmwareRange≤1.11.10

AND

weidmueller ie-wlt-bl-ap-cl-usMatch-

Node

weidmueller ie-wl-vl-ap-br-cl-eu_firmwareRange≤1.11.10

AND

weidmueller ie-wl-vl-ap-br-cl-euMatch-

Node

weidmueller ie-wlt-vl-ap-br-cl-eu_firmwareRange≤1.11.10

AND

weidmueller ie-wlt-vl-ap-br-cl-euMatch-

Node

weidmueller ie-wl-vl-ap-br-cl-us_firmwareRange≤1.11.10

AND

weidmueller ie-wl-vl-ap-br-cl-usMatch-

Node

weidmueller ie-wlt-vl-ap-br-cl-us_firmwareRange≤1.11.10

AND

weidmueller ie-wlt-vl-ap-br-cl-usMatch-

[
  {
    "product": "IE-WL(T)-BL-AP-CL-XX",
    "vendor": "Weidmüller",
    "versions": [
      {
        "lessThanOrEqual": "V1.16.18 (Build 18081617)",
        "status": "affected",
        "version": "IE-WL-BL-AP-CL-EU (2536600000)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "V1.16.18 (Build 18081617)",
        "status": "affected",
        "version": "IE-WLT-BL-AP-CL-EU (2536650000)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "V1.16.18 (Build 18081617)",
        "status": "affected",
        "version": "IE-WL-BL-AP-CL-US (2536660000)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "V1.16.18 (Build 18081617)",
        "status": "affected",
        "version": "IE-WLT-BL-AP-CL-US (2536670000)",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "IE-WL(T)-VL-AP-CL-XX",
    "vendor": "Weidmüller",
    "versions": [
      {
        "lessThanOrEqual": "V1.11.10 (Build 18122616)",
        "status": "affected",
        "version": "IE-WL-VL-AP-BR-CL-EU (2536680000)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "V1.11.10 (Build 18122616)",
        "status": "affected",
        "version": "IE-WLT-VL-AP-BR-CL-EU (2536690000)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "V1.11.10 (Build 18122616)",
        "status": "affected",
        "version": "IE-WL-VL-AP-BR-CL-US (2536700000)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "V1.11.10 (Build 18122616)",
        "status": "affected",
        "version": "IE-WLT-VL-AP-BR-CL-US (2536710000)",
        "versionType": "custom"
      }
    ]
  }
]

Source	Link
cert	www.cert.vde.com/en-us/advisories/vde-2021-026

17 Jun 2026 03:54Current

7.5High risk

Vulners AI Score7.5

CVSS 25

CVSS 3.17.5

EPSS0.01037

CWE-191