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EUVD-2021-21216

🗓️ 07 Oct 2025 00:30:54Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 2 Views

Unauthenticated remote attack can crash WAGO I/O-Check Service, risking integrity and causing DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CNNVD
WAGO 安全漏洞
9 Nov 202200:00
cnnvd
CVE
CVE-2021-34566
9 Nov 202215:17
cve
Cvelist
CVE-2021-34566 WAGO I/O-Check Service prone to Memory Overflow
9 Nov 202215:17
cvelist
NVD
CVE-2021-34566
9 Nov 202216:15
nvd
OSV
CVE-2021-34566
9 Nov 202216:15
osv
Prion
Design/Logic Flaw
9 Nov 202216:15
prion
Positive Technologies
PT-2022-10353 · Wago · Wago I/O-Check Service
9 Nov 202200:00
ptsecurity
Tenable Nessus
Wago I/O-Check Service Buffer Overflow (CVE-2021-34566)
14 Feb 202300:00
nessus
The Hacker News
Several New Critical Flaws Affect CODESYS Industrial Automation Software
21 Jul 202109:59
thn
ThreatPost
Industrial Networks Exposed Through Cloud OT
22 Jul 202117:46
threatpost
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "be059a00-3a12-3fbc-a799-8e081d4a5900",
        "vendor": {
          "name": "WAGO"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "168fef91-a7ce-309e-85a3-a03bbc3664d8",
        "product": {
          "name": "750-82xx/xxx-xxx"
        },
        "product_version": "FW1 ≤FW18 Patch 2"
      },
      {
        "id": "1b4c6431-ddfb-3a00-a6cf-fe2ba3d6607a",
        "product": {
          "name": "762-6xxx"
        },
        "product_version": "FW1 ≤FW18 Patch 2"
      },
      {
        "id": "7e3489a3-9626-37a9-bf37-2f8e117589bc",
        "product": {
          "name": "752-8303/8000-0002"
        },
        "product_version": "FW1 ≤FW18 Patch 2"
      },
      {
        "id": "8a402934-4afd-3f8a-a6ba-607f45fb0c37",
        "product": {
          "name": "762-5xxx"
        },
        "product_version": "FW1 ≤FW18 Patch 2"
      },
      {
        "id": "c0b09466-bbc3-3518-a67f-aa7895e182c6",
        "product": {
          "name": "762-4xxx"
        },
        "product_version": "FW1 ≤FW18 Patch 2"
      },
      {
        "id": "ee8f97f2-fa0b-3c2c-99f8-5a2d913a2119",
        "product": {
          "name": "750-81xx/xxx-xxxFW"
        },
        "product_version": "FW1 ≤FW18 Patch 2"
      }
    ]
  }
]

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07 Oct 2025 00:30Current
9High risk
Vulners AI Score9
CVSS 3.19.1
EPSS0.00901
SSVC
2