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Fireware EUVDEUVD-2025-201300

| CVE-2025-13939 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2025-12-04 5d1c2695-1a31-4499-88ae-e847036fd7e3
6.1
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

3
EUVD ID Assigned
Mar 15, 2026 - 16:35 euvd
EUVD-2025-201300
Analysis Generated
Mar 15, 2026 - 16:35 vuln.today
CVE Published
Dec 04, 2025 - 22:15 nvd
MEDIUM 6.1

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Gateway Wireless Controller module) allows Stored XSS.This issue affects Fireware OS 11.7.2 up to and including 11.12.4+541730, 12.0 up to and including 12.11.4, 12.5 up to and including 12.5.13, and 2025.1 up to and including 2025.1.2.

Analysis

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Gateway Wireless Controller module) allows Stored XSS.This issue affects Fireware OS 11.7.2 up to and including 11.12.4+541730, 12.0 up to and including 12.11.4, 12.5 up to and including 12.5.13, and 2025.1 up to and including 2025.1.2.

Technical ContextAI

Cross-site scripting (XSS) allows injection of client-side scripts into web pages viewed by other users due to insufficient output encoding.

RemediationAI

Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.

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CVE-2025-1545 HIGH
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CVE-2025-11838 HIGH
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A memory corruption vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker to trigger a Denial of

CVE-2025-12196 HIGH
7.2 Dec 04

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to exe

CVE-2025-12195 HIGH
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An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to exe

CVE-2026-3342 HIGH
7.2 Mar 03

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CVE-2025-12026 HIGH
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An Out-of-bounds Write vulnerability in WatchGuard Fireware OS’s certificate request command could allow an authenticate

CVE-2025-1547 HIGH
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A stack-based buffer overflow vulnerability [CWE-121] in WatchGuard Fireware OS's certificate request command could allo

CVE-2026-3343 MEDIUM
6.1 Mar 03

Fireware OS Web UI contains a reflected XSS vulnerability that allows attackers to execute arbitrary JavaScript in authe

CVE-2025-13938 MEDIUM
6.1 Dec 04

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard

CVE-2025-13937 MEDIUM
6.1 Dec 04

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard

CVE-2025-13936 MEDIUM
6.1 Dec 04

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard

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EUVD-2025-201300 vulnerability details – vuln.today

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