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Vulnerability Details :

CVE-2022-38546

Summary
Assigner-Zyxel
Assigner Org ID-96e50032-ad0d-4058-a115-4d2c13821f9f
Published At-21 Dec, 2022 | 00:00
Updated At-15 Apr, 2025 | 18:52
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Zyxel
Assigner Org ID:96e50032-ad0d-4058-a115-4d2c13821f9f
Published At:21 Dec, 2022 | 00:00
Updated At:15 Apr, 2025 | 18:52
Rejected At:
▼CVE Numbering Authority (CNA)

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
Vendor
Zyxel Networks CorporationZyxel
Product
NBG7510 firmware
Versions
Affected
  • < V1.00(ABZY.3)C0
Problem Types
TypeCWE IDDescription
CWECWE-284CWE-284: Improper Access Control
Type: CWE
CWE ID: CWE-284
Description: CWE-284: Improper Access Control
Metrics
VersionBase scoreBase severityVector
3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dns-misconfiguration-in-nbg7510-home-router
N/A
Hyperlink: https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dns-misconfiguration-in-nbg7510-home-router
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dns-misconfiguration-in-nbg7510-home-router
x_transferred
Hyperlink: https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dns-misconfiguration-in-nbg7510-home-router
Resource:
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@zyxel.com.tw
Published At:21 Dec, 2022 | 02:15
Updated At:29 Dec, 2022 | 18:33

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Secondary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Type: Primary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CPE Matches
Zyxel Networks Corporation
zyxel
>>nbg7510>>-
cpe:2.3:h:zyxel:nbg7510:-:*:*:*:*:*:*:*
Zyxel Networks Corporation
zyxel
>>nbg7510_firmware>>Versions up to 1.00\(abzy.2\)c0(inclusive)
cpe:2.3:o:zyxel:nbg7510_firmware:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-noinfoPrimarynvd@nist.gov
CWE-284Secondarysecurity@zyxel.com.tw
CWE ID: NVD-CWE-noinfo
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-284
Type: Secondary
Source: security@zyxel.com.tw
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dns-misconfiguration-in-nbg7510-home-routersecurity@zyxel.com.tw
Vendor Advisory
Hyperlink: https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dns-misconfiguration-in-nbg7510-home-router
Source: security@zyxel.com.tw
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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