CVE-2023-22923

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Published May 1, 2023 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Description

A format string vulnerability in a binary of the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker to cause denial-of-service (DoS) conditions on an affected device.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Zyxel

NBG-418N v2 firmware

affected

Version	Status	Constraints
`< V1.00(AARP.14)C0`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:zyxel:nbg-418n_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:nbg-418n:v2:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-27025	A format string vulnerability in a binary of the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker to cause denial-of-service (DoS) conditions on an affected device.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.788% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

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

History

Jan 30, 2025 5:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Zyxel Nbg-418n Nbg-418n Firmware

Weaknesses

CWE-134

Sources

CVE record Updated: Jan 30, 2025, 4:48 PM

Status: PUBLISHED
Assigner: Zyxel
Published: May 1, 2023, 12:00 AM
Updated: Jan 30, 2025, 4:48 PM
Reserved: Jan 10, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 10:20 AM

Updated: Aug 2, 2024, 10:20 AM

NVD Updated: Jun 17, 2026, 5:36 AM

Status: Modified
Published: May 1, 2023, 5:15 PM
Modified: Jun 17, 2026, 5:36 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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