CVE-2026-57909
WatchGuard Agent path traversal allows unauthenticated remote code execution
Description
A path traversal vulnerability in WatchGuard Agent allows a remote, unauthenticated attacker on an adjacent network to execute arbitrary code on an affected system.
INFO
Published Date :
Aug. 25, 2026, 12:16 p.m.
Last Modified :
Aug. 25, 2026, 12:16 p.m.
Remotely Exploit :
No
Source :
5d1c2695-1a31-4499-88ae-e847036fd7e3
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | CRITICAL | 5d1c2695-1a31-4499-88ae-e847036fd7e3 |
Solution
- Apply the vendor-supplied patch for WatchGuard Agent.
- Update WatchGuard Agent to the latest version.
- Restrict network access to affected systems.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-57909.
| URL | Resource |
|---|---|
| https://psirt.watchguard.com/CVE-2026-57909 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-57909 is
associated with the following CWEs:
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-2026-57909
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-57909 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-57909 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 5d1c2695-1a31-4499-88ae-e847036fd7e3
Aug. 25, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'WatchGuard', 'product': 'WatchGuard Agent', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '1.25.13.0000', 'versionType': 'semver'}], 'platforms': ['Windows'], 'defaultStatus': 'affected'}] Added Description A path traversal vulnerability in WatchGuard Agent allows a remote, unauthenticated attacker on an adjacent network to execute arbitrary code on an affected system. Added CVSS V4.0 AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:X Added CWE CWE-94 Added CWE CWE-306 Added Reference https://psirt.watchguard.com/CVE-2026-57909