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CVE-2026-13084Suited to automated attack · CISA

Null Pointer Dereference in WatchGuard Fireware OS iked Process

CVSS score

8.7

EPSS probability

%0.6

Risk score

0.1

Published

3 mo ago

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

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Vulnerability description

DayBreach CVE AI Research

CVE-2026-13084 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

A null pointer dereference vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to create a denial-of-service (DoS) condition by sending specially crafted IKEv2 messages. This vulnerability affects both the Mobile User VPN with IKEv2 and the Branch Office VPN using IKEv2 when configured with a dynamic gateway peer. This vulnerability affects Fireware OS 11.10.2 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-13084 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 t15 View
6watchguardfirebox t35 View
7watchguardfireware View
8watchguardfireware View
9watchguardfireware View
10watchguardfirebox cloud View
11watchguardfirebox m270 View
12watchguardfirebox m290 View
13watchguardfirebox m370 View
14watchguardfirebox m390 View
15watchguardfirebox m440 View
16watchguardfirebox m4600 View
17watchguardfirebox m470 View
18watchguardfirebox m4800 View
19watchguardfirebox m5600 View
20watchguardfirebox m570 View
21watchguardfirebox m5800 View
22watchguardfirebox m590 View
23watchguardfirebox m670 View
24watchguardfirebox m690 View
25watchguardfirebox nv5 View
26watchguardfirebox t20 View
27watchguardfirebox t25 View
28watchguardfirebox t40 View
29watchguardfirebox t45 View
30watchguardfirebox t55 View
31watchguardfirebox t70 View
32watchguardfirebox t80 View
33watchguardfirebox t85 View
34watchguardfireboxv View
35watchguardfireware View
36watchguardfirebox m295 View
37watchguardfirebox m395 View
38watchguardfirebox m495 View
39watchguardfirebox m595 View
40watchguardfirebox m695 View
41watchguardfirebox t115-w View
42watchguardfirebox t125 View
43watchguardfirebox t125-w View
44watchguardfirebox t145 View
45watchguardfirebox t145-w View
46watchguardfirebox t185 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
8.7CVSS V40HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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
8.7CVSS V4_0HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NCVE CNA
7.5CVSS V31HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-2026-13084 is associated with the following CWEs:

CWE-476: NULL Pointer Dereference

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-2026-13084 weaknesses.

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

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

https://psirt.watchguard.com/CVE-2026-13084vendor-advisoryhttps://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00024vendor-advisory

CVSS Vector Radar Chart

8.7 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

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

Yama durumu bilinmiyor

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Follow the vendor

W
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watchguard

Weakness Type (CWE & CAPEC)

CWE-476

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