Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the remark parameter to /manage/dnsmasq/localdomains/. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

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

Vendor Product Default status Versions
Endian Endian Firewall unaffected
Version Status Constraints
3.3.25 affected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Endian Subscribe
Firewall Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://help.endian.com/hc/en-us/sections/360004371358-Community cve-icon cve-icon
https://www.vulncheck.com/advisories/endian-firewall-manage-dnsmasq-localdomains-remark-stored-cross-site-scripting cve-icon cve-icon
History

Thu, 02 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
Description Endian Firewall version 3.3.25 and prior allow stored cross-site scripting (XSS) via the remark parameter to /manage/dnsmasq/localdomains/. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page.
Title Endian Firewall /manage/dnsmasq/localdomains/ remark Stored Cross-Site Scripting
First Time appeared Endian
Endian firewall
Weaknesses CWE-79
CPEs cpe:2.3:a:endian:firewall:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:endian:firewall:2.4:*:*:*:*:*:*:*
cpe:2.3:a:endian:firewall:3.3.25:*:*:*:*:*:*:*
Vendors & Products Endian
Endian firewall
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-02T18:43:35.379Z

Reserved: 2026-03-30T20:26:18.726Z

Link: CVE-2026-34818

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-02T15:16:50.530

Modified: 2026-04-02T15:16:50.530

Link: CVE-2026-34818

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses