CVE-2026-87969
Received Received - Intake

Authenticated OS Command Injection in WatchGuard AP Diagnostic CLI

Publication date: 2026-09-28

Last updated on: 2026-09-28

Assigner: WatchGuard Technologies, Inc.

Description
An OS command injection vulnerability in the WatchGuard AP diagnostic CLI allows an authenticated administrator to execute arbitrary operating system commands by supplying crafted input.

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Meta Information

Published
2026-09-28
Last Modified
2026-09-28
Generated
2026-09-28
AI Q&A
2026-09-28
EPSS Evaluated
N/A
NVD
CVE-2026-87969
EUVD
EUVD-2026-88363

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
watchguard ap *
watchguard ap From 1.0 (inc) to 3.4.8 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Attack-Flow Graph

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Executive Summary

This is an OS command injection vulnerability in the WatchGuard AP diagnostic CLI. An authenticated administrator can execute arbitrary operating system commands by providing specially crafted input. The flaw exists in versions of WatchGuard AP greater than or equal to 1.0 but less than 3.4.8.

Detection Guidance

Check WatchGuard AP versions with 'show version' in CLI. If version is >=1.0 and <3.4.8, the system is vulnerable. Look for unusual command execution patterns in logs or unexpected network activity.

Impact Analysis

An attacker with administrative access could run unauthorized commands on the system, potentially leading to full system compromise, data theft, or disruption of services. This could allow further network infiltration or unauthorized modifications.

Compliance Impact

This vulnerability could potentially impact compliance with GDPR and HIPAA by allowing unauthorized command execution on systems handling sensitive data. An authenticated attacker could exploit it to access, modify, or exfiltrate protected information, violating confidentiality and integrity requirements of these regulations.

Mitigation Strategies

Upgrade WatchGuard AP to version 3.4.8 or later immediately. Restrict administrative access to trusted users only. Monitor network traffic for suspicious activity.

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