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ZyxelCVELIST:CVE-2023-22921

HistoryMay 01, 2023 - 12:00 a.m.

CVE-2023-22921

2023-05-0100:00:00

CWE-79

Zyxel

www.cve.org

cross-site scripting

zyxel nbg-418n

firmware vulnerability

remote authenticated attacker

denial-of-service

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:H

6.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.1%

JSON

A cross-site scripting (XSS) vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker with administrator privileges to store malicious scripts using a web management interface parameter, resulting in denial-of-service (DoS) conditions on an affected device.

CNA Affected

[
  {
    "vendor": "Zyxel",
    "product": "NBG-418N v2 firmware",
    "versions": [
      {
        "version": "< V1.00(AARP.14)C0",
        "status": "affected"
      }
    ]
  }
]

References

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nbg-418n-v2-home-router

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:H

6.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.1%

JSON

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