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EUVD-2023-38242

🗓️ 03 Oct 2025 20:07:09Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 25 Views

Buffer overflow vulnerability in Zyxel devices allows denial of service via crafted requests.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
CAPWAP Microprogramming DoS
20 Jul 202300:00
–bdu_fstec
cnnvd
CNNVD
Zyxel ATP 安全漏洞
17 Jul 202300:00
–cnnvd
cve
CVE
CVE-2023-34140
17 Jul 202317:49
–cve
cvelist
Cvelist
CVE-2023-34140
17 Jul 202317:49
–cvelist
ncsc
NCSC
Vulnerabilities fixed in Zyxel products
18 Jul 202300:00
–ncsc
nvd
NVD
CVE-2023-34140
17 Jul 202318:15
–nvd
osv_cve
osv_cve
CVE-2023-34140
17 Jul 202318:15
–osv_cve
prion
Prion
Buffer overflow
17 Jul 202318:15
–prion
ptsecurity
Positive Technologies
PT-2023-3608 · Zyxel · Zyxel Usg Flex Series +6
26 May 202300:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2023-34140: Buffer Copy without Checking Size of Input
17 Jul 202300:00
–rapid7
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "60bc3764-89f5-31b4-bdc6-d2c47e055c54",
        "vendor": {
          "name": "Zyxel"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "037f6530-5562-3500-9b43-80aa16f646dc",
        "product": {
          "name": "NXC5500 firmware"
        },
        "product_version": "6.10(AAOS.0) through 6.10(AAOS.4)"
      },
      {
        "id": "37061696-494a-315b-9ecb-24012fd48313",
        "product": {
          "name": "USG FLEX 50(W) series firmware"
        },
        "product_version": "4.16 through 5.36 Patch 2"
      },
      {
        "id": "4881874f-df0b-3774-b4e8-42b07b434a10",
        "product": {
          "name": "USG20(W)-VPN series firmware"
        },
        "product_version": "4.16 through 5.36 Patch 2"
      },
      {
        "id": "87081990-9012-3c97-a617-816f5d92f9cf",
        "product": {
          "name": "ATP series firmware"
        },
        "product_version": "4.32 through 5.36 Patch 2"
      },
      {
        "id": "bc377d5c-ff3b-335c-a9ed-0b6e10f64c33",
        "product": {
          "name": "VPN series Firmware"
        },
        "product_version": "4.30 through 5.36 Patch 2"
      },
      {
        "id": "e0061478-9000-360e-ae6a-af903d2f2e8c",
        "product": {
          "name": "NXC2500 firmware"
        },
        "product_version": "6.10(AAIG.0) through 6.10(AAIG.3)"
      },
      {
        "id": "f4d6bc55-fc0b-3937-a20c-d23ee1862d55",
        "product": {
          "name": "USG FLEX series firmware"
        },
        "product_version": "4.50 through 5.36 Patch 2"
      }
    ]
  }
]

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03 Oct 2025 20:07Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.16.5
EPSS0.003
SSVC
25