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CVE-2026-13722

WatchGuard Firebox Firmware Image Validation Bypass in WatchGuard Fireware OS

CVSS score

8.6

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-2026-13722 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-13722 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 m295 View
6watchguardfirebox m395 View
7watchguardfirebox m495 View
8watchguardfirebox m595 View
9watchguardfirebox m695 View
10watchguardfirebox t115-w View
11watchguardfirebox t125 View
12watchguardfirebox t125-w View
13watchguardfirebox t145 View
14watchguardfirebox t145-w View
15watchguardfirebox t185 View
16watchguardfireware View
17watchguardfirebox t15 View
18watchguardfirebox t35 View
19watchguardfireware View
20watchguardfirebox cloud View
21watchguardfirebox m270 View
22watchguardfirebox m290 View
23watchguardfirebox m370 View
24watchguardfirebox m390 View
25watchguardfirebox m440 View
26watchguardfirebox m4600 View
27watchguardfirebox m470 View
28watchguardfirebox m4800 View
29watchguardfirebox m5600 View
30watchguardfirebox m570 View
31watchguardfirebox m5800 View
32watchguardfirebox m590 View
33watchguardfirebox m670 View
34watchguardfirebox m690 View
35watchguardfirebox nv5 View
36watchguardfirebox t20 View
37watchguardfirebox t25 View
38watchguardfirebox t40 View
39watchguardfirebox t45 View
40watchguardfirebox t55 View
41watchguardfirebox t70 View
42watchguardfirebox t80 View
43watchguardfirebox t85 View
44watchguardfireboxv View
45watchguardfireware View
46watchguardfireware View
Total affected vendors: 1|Products: 46

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
8.6CVSS V40HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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
8.6CVSS V4_0HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NCVE CNA
7.2CVSS V31HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HNVD

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-2026-13722 is associated with the following CWEs:

CWE-347: Common Weakness Enumeration Entry CWE-347

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-2026-13722 weaknesses.

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

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsHigh
UserGerekmiyor

Official Sources and Advisories

https://psirt.watchguard.com/CVE-2026-13722vendor-advisoryhttps://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00022vendor-advisory

CVSS Vector Radar Chart

8.6 / 10
Attack VectorNetworkComplexityLowPrivilegesHighUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

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

Yama durumu bilinmiyor

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

Follow the vendor

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Weakness Type (CWE & CAPEC)

CWE-347

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