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CVE-2023-4398

🗓️ 28 Nov 2023 01:48:28Reported by ZyxelType 
cve
 cve
🔗 web.nvd.nist.gov👁 93 Views

An integer overflow vulnerability in QuickSec IPSec toolkit in Zyxel routers could allow DoS

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
Zyxel QuickSec IPSec DoS
29 Nov 202300:00
–bdu_fstec
cnnvd
CNNVD
Zyxel ATP Input Validation Error Vulnerability
28 Nov 202300:00
–cnnvd
cvelist
Cvelist
CVE-2023-4398
28 Nov 202301:48
–cvelist
euvd
EUVD
EUVD-2023-54261
3 Oct 202520:07
–euvd
ncsc
NCSC
Vulnerabilities fixed in Zyxel products
4 Dec 202300:00
–ncsc
nvd
NVD
CVE-2023-4398
28 Nov 202302:15
–nvd
osv_cve
osv_cve
CVE-2023-4398
28 Nov 202302:15
–osv_cve
prion
Prion
Integer overflow
28 Nov 202302:15
–prion
ptsecurity
Positive Technologies
PT-2023-7186 · Zyxel · Zyxel Usg Flex Series +5
27 Nov 202300:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2023-4398: Integer Overflow or Wraparound
28 Nov 202300:00
–rapid7
Rows per page
NVD
Vulners
Vulnrichment
Node
AND
zyxelzldRange4.32–5.37
Node
AND
zyxelzldRange4.16–5.37
Node
AND
zyxelzldRange4.30–5.37
[
  {
    "defaultStatus": "unaffected",
    "product": "ATP series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "versions 4.32 through 5.37"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "USG FLEX series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "versions 4.50 through 5.37"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "USG FLEX 50(W) series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "versions 4.16 through 5.37"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "USG20(W)-VPN series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "versions 4.16 through 5.37"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "VPN series firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "versions 4.30 through 5.37"
      }
    ]
  }
]

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17 Jun 2026 06:37Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.5
EPSS0.00881
SSVC
93