CVE-2022-43389

Published: Jan 11, 2023

Modified: Apr 9, 2025

PUBLISHED

CVSS v3.1

8.6

HIGH

Description

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.

Vendor	Product	Versions
Zyxel	NR7101 firmware	affected `< V1.15(ACCC.3)C0`

Weaknesses (CWE)

CWE-120

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

References

https://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

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CVE-2022-43389

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References