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ZyxelCVELIST:CVE-2022-43389

HistoryJan 11, 2023 - 12:00 a.m.

CVE-2022-43389

2023-01-1100:00:00

CWE-120

Zyxel

www.cve.org

buffer overflow

zyxel nr7101

web server

os commands

denial-of-service

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

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

10 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.0%

JSON

A buffer overflow vulnerability in the library of the web server in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an unauthenticated attacker to execute some OS commands or to cause denial-of-service (DoS) conditions on a vulnerable device.

CNA Affected

[
  {
    "vendor": "Zyxel",
    "product": "NR7101 firmware",
    "versions": [
      {
        "version": "< V1.15(ACCC.3)C0",
        "status": "affected"
      }
    ]
  }
]

References

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-buffer-overflow-vulnerabilities-of-cpe-fiber-onts-and-wifi-extenders

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

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

10 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.0%

JSON

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