CVE-2026-57909

Unauthenticated code execution via path traversal

Published Aug 25, 2026 · Updated Aug 26, 2026

Path traversal in WatchGuard Agent before 1.25.13.0000 allows remote attackers on an adjacent network to execute arbitrary code. WatchGuard has not disclosed the affected service or how traversal input enables an unauthorized executable to be placed and run. The advisory lists Windows as affected, while release notes also associate the CVE with macOS; the macOS exposure range remains unpublished.

CVSS severity9.4
Critical
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in WatchGuard Agent before 1.25.13.0000 allows remote attackers on an adjacent network to execute arbitrary code. WatchGuard has not disclosed the affected service or how traversal input enables an unauthorized executable to be placed and run. The advisory lists Windows as affected, while release notes also associate the CVE with macOS; the macOS exposure range remains unpublished.

The record

CVE
CVE-2026-57909
Published
Aug 25, 2026
Updated
Aug 26, 2026
Vendor
WatchGuard Technologies
Product
WatchGuard Agent
Classifications
CWE-306, CWE-94, CAPEC-115, T1210
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <1.25.13.0000

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

WatchGuard Technologies · WatchGuard Agentversion=0 <1.25.13.0000

Published CVSS scores

9.4WatchGuardCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
CWE-94Improper Control of Generation of Code ('Code Injection')
CAPEC-115Authentication Bypass
T1210Exploitation of Remote Services

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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