Page generated: 08 Nov 2026, 12:53 UTC
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CVE-2022-26318

On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary code, aka FBX-22786. This vulnerability impacts Fireware OS before 12.7.2_U2, 12.x before 12.1.3_U8, and 12.2.x through 12.5.x before 12.5.9_U2.

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.9/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.8: +1.47
  • Fresh EPSS: 78.16%: +0.39

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 10 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

The Register
Press · 19 Dec 2025, 08:00 · Critical-rated WatchGuard Firebox flaw under active attack - The Register
Industrial Cyber
Press · 18 Dec 2025, 08:00 · Russian GRU hackers target network edge devices in sustained energy and critical infrastructure attacks - Industrial Cyber
The Record from Recorded Future News
Press · 16 Dec 2025, 08:00 · Russia’s GRU hackers targeting misconfigured network edge devices in attacks on energy sector, Amazon says - The Record from Recorded Future News
Infosecurity Magazine
Press · 16 Dec 2025, 08:00 · Amazon Warns Russian GRU Hackers Target Western Firms via Edge Devices - Infosecurity Magazine
The Hacker News
Press · 16 Dec 2025, 08:00 · Amazon Exposes Years-Long GRU Cyber Campaign Targeting Energy and Cloud Infrastructure - The Hacker News
See all 10 source documents
CyberScoop
Press · 16 Dec 2025, 08:00 · Amazon warns that Russia’s Sandworm has shifted its tactics - CyberScoop
The Register
Press · 15 Dec 2025, 08:00 · Amazon security boss blames Russia's GRU for years-long energy-sector hacks - The Register
Amazon Web Services (AWS)
Press · 15 Dec 2025, 08:00 · Amazon Threat Intelligence identifies Russian cyber threat group targeting Western critical infrastructure - Amazon Web Services (AWS)
Rapid7
Press · 05 Apr 2024, 07:00 · Metasploit Weekly Wrap-Up 04/05/2024 - Rapid7
Rapid7
Press · 23 Jun 2022, 07:00 · CVE-2022-31749: WatchGuard Authenticated Arbitrary File Read/Write (Fixed) - Rapid7

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.9 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

2

Public exploit entries / repo candidates

See 2 repos with metrics
RepositoryStarsForksLanguageUpdated
h3llk4t3/Watchguard-RCE-POC-CVE-2022-2631822Python18 Apr 2022, 15:19
egilas/Watchguard-RCE-POC-CVE-2022-2631800Python05 Dec 2024, 10:00
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 9.8; EPSS 78.2%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:37.150188+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
04 Mar 2022, 17:36
Added to the CISA KEV catalog
25 Mar 2022, 00:00
First press mention
23 Jun 2022, 07:00
Latest press mention
19 Dec 2025, 08:00
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
2 repositories