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ZyxelCVELIST:CVE-2023-27989

HistoryJun 05, 2023 - 11:02 a.m.

CVE-2023-27989

2023-06-0511:02:54

CWE-120

Zyxel

www.cve.org

buffer overflow

zyxel nr7101

cgi

denial of service

http request

remote attacker

authenticated

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

44.4%

JSON

A buffer overflow vulnerability in the CGI program of the Zyxel NR7101 firmware versions prior to V1.00(ABUV.8)C0 could allow a remote authenticated attacker to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "NR7101 firmware",
    "vendor": "Zyxel",
    "versions": [
      {
        "status": "affected",
        "version": "< V1.00(ABUV.8)C0"
      }
    ]
  }
]

References

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-buffer-overflow-vulnerability-in-4g-lte-and-5g-nr-outdoor-routers

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

44.4%

JSON

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