CVE-2022-38546

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Published Dec 21, 2022 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed

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.

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

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 solution or workaround provided in the CVE record

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.

Metrics

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.

Exploit prediction score: < 1% (0.659% probability within 30 days)

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

Apr 15, 2025 7:15 PM Scoring metrics updated View changes

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

Subscriptions

Zyxel Nbg7510 Nbg7510 Firmware

Weaknesses

Sources

CVE record Updated: Apr 15, 2025, 6:52 PM

Status: PUBLISHED
Assigner: Zyxel
Published: Dec 21, 2022, 12:00 AM
Updated: Apr 15, 2025, 6:52 PM
Reserved: Aug 22, 2022, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 3, 2024, 10:54 AM

Updated: Aug 3, 2024, 10:54 AM

NVD Updated: Jun 17, 2026, 4:56 AM

Status: Modified
Published: Dec 21, 2022, 2:15 AM
Modified: Jun 17, 2026, 4:56 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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