CVE-2022-38546 - Vulnerability Details - OpenCVE

Description

A DNS misconfiguration was found in Zyxel NBG7510 firmware versions prior to V1.00(ABZY.3)C0, which could allow an unauthenticated attacker to access the DNS server when the device is switched to the AP mode.

Published: 2022-12-21

Score: 5.3 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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

NBG7510 firmware

affected

Version	Status	Constraints
`< V1.00(ABZY.3)C0`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:zyxel:nbg7510_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:nbg7510:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-41124	A DNS misconfiguration was found in Zyxel NBG7510 firmware versions prior to V1.00(ABZY.3)C0, which could allow an unauthenticated attacker to access the DNS server when the device is switched to the AP mode.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00293.

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dns-misconfiguration-in-nbg7510-home-router

History

Tue, 15 Apr 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Zyxel Nbg7510 Nbg7510 Firmware

MITRE

Status: PUBLISHED

Assigner: Zyxel

Published: 2022-12-21T00:00:00.000Z

Updated: 2025-04-15T18:52:24.120Z

Reserved: 2022-08-22T00:00:00.000Z

Link: CVE-2022-38546

Vulnrichment

Updated: 2024-08-03T10:54:03.937Z

NVD

Status : Modified

Published: 2022-12-21T02:15:11.463

Modified: 2024-11-21T07:16:39.073

Link: CVE-2022-38546

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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