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EUVD-2023-54260

🗓️ 03 Oct 2025 20:07:09Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 21 Views

Buffer overflow in Zyxel firmware 5.37 allows denial-of-service from authenticated local attackers.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
ZyXEL USG FLEX ATP Buffer Overflow DoS
1 Dec 202300:00
–bdu_fstec
cnnvd
CNNVD
Zyxel ATP Security Vulnerability
28 Nov 202300:00
–cnnvd
cve
CVE
CVE-2023-4397
28 Nov 202301:42
–cve
cvelist
Cvelist
CVE-2023-4397
28 Nov 202301:42
–cvelist
ncsc
NCSC
Vulnerabilities fixed in Zyxel products
4 Dec 202300:00
–ncsc
nvd
NVD
CVE-2023-4397
28 Nov 202302:15
–nvd
osv_cve
osv_cve
CVE-2023-4397
28 Nov 202302:15
–osv_cve
prion
Prion
Buffer overflow
28 Nov 202302:15
–prion
ptsecurity
Positive Technologies
PT-2023-7251 · Zyxel · Zyxel Usg Flex Series +3
17 Aug 202300:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2023-4397: Buffer Copy without Checking Size of Input
28 Nov 202300:00
–rapid7
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "e446f53b-0f56-3eb4-bbe6-eb629c82456d",
        "vendor": {
          "name": "Zyxel"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "0aed11b5-59e5-3225-9c5f-4fe759618038",
        "product": {
          "name": "ATP series firmware"
        },
        "product_version": "5.37"
      },
      {
        "id": "956cdc5c-e606-3499-9ba1-e4762129edfc",
        "product": {
          "name": "USG FLEX series firmware"
        },
        "product_version": "5.37"
      },
      {
        "id": "becf3168-feee-31fa-86ee-aee425f49ad0",
        "product": {
          "name": "USG20(W)-VPN series firmware"
        },
        "product_version": "5.37"
      },
      {
        "id": "e494d646-dff8-3ac5-9c31-e4583db99c0f",
        "product": {
          "name": " USG FLEX 50(W) series firmware"
        },
        "product_version": "5.37"
      }
    ]
  }
]

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03 Oct 2025 20:07Current
5.1Medium risk
Vulners AI Score5.1
CVSS 3.14.4
EPSS0.00233
21