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CVE-2026-13375

WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Autotask Technology Integration Configuration

CVSS score

4.8

EPSS probability

%0.3

Risk score

0.0

Published

3 mo ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2026-13375 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Autotask Technology Integration module) allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-13938. This issue affects Fireware OS 12.4 up to and including 12.12, 12.5 up to and including 12.5.18, and 2025.1 up to and including 2026.2.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-13375 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1watchguardFireware OS View
2watchguardFireware OS View
3watchguardFireware OS View
4watchguardfireware View
5watchguardfirebox m270 View
6watchguardfirebox m290 View
7watchguardfirebox m370 View
8watchguardfirebox m390 View
9watchguardfirebox m440 View
10watchguardfirebox m4600 View
11watchguardfirebox m470 View
12watchguardfirebox m4800 View
13watchguardfirebox m5600 View
14watchguardfirebox m570 View
15watchguardfirebox m5800 View
16watchguardfirebox m590 View
17watchguardfirebox m670 View
18watchguardfirebox m690 View
19watchguardfirebox nv5 View
20watchguardfirebox t20 View
21watchguardfirebox t25 View
22watchguardfirebox t40 View
23watchguardfirebox t45 View
24watchguardfirebox t55 View
25watchguardfirebox t70 View
26watchguardfirebox t80 View
27watchguardfirebox t85 View
28watchguardfireboxcloud View
29watchguardfireboxv View
30watchguardfireware View
31watchguardfirebox m295 View
32watchguardfirebox m395 View
33watchguardfirebox m495 View
34watchguardfirebox m595 View
35watchguardfirebox m695 View
36watchguardfirebox t115-w View
37watchguardfirebox t125 View
38watchguardfirebox t125-w View
39watchguardfirebox t145 View
40watchguardfirebox t145-w View
41watchguardfirebox t185 View
42watchguardfireware View
43watchguardfirebox t15 View
44watchguardfirebox t35 View
Total affected vendors: 1|Products: 44

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
4.8CVSS V31MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NNVD
4.8CVSS V40MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD
4.8CVSS V4_0MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:NCVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-13375 is associated with the following CWEs:

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-13375 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsHigh
User—

Official Sources and Advisories

https://psirt.watchguard.com/CVE-2026-13375vendor-advisoryhttps://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00017vendor-advisory

CVSS Vector Radar Chart

4.8 / 10
Attack VectorNetworkComplexityLowPrivilegesHighUser Interact.RequiredConfidentialityLowIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh privileges
User InteractionP
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)P
Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

W
watchguard logo
watchguard

Weakness Type (CWE & CAPEC)

CWE-79

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