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CVE-2026-87969 is an OS command injection vulnerability in the diagnostic command-line interface of WatchGuard AP firmware prior to version 3.4.8. An authenticated administrator can submit crafted diagnostic CLI input that is interpreted as operating-system commands, enabling execution of arbitrary commands on the affected access point.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity authenticated command-injection vulnerability in the WatchGuard AP diagnostic CLI. An attacker with administrator privileges can provide crafted input and execute arbitrary operating-system commands.
High-severity command-injection vulnerability in the WatchGuard AP diagnostic command line that permits an authenticated administrator to execute arbitrary operating-system commands through crafted input.
An authenticated OS command injection vulnerability in the WatchGuard AP diagnostic CLI that permits an administrator to execute arbitrary operating-system commands using crafted input.
An authenticated OS command-injection vulnerability in the WatchGuard AP diagnostic CLI that enables an administrator to execute arbitrary operating-system commands. The CVSS v4 vector indicates network reachability, low attack complexity, high privileges required, and total impact on confidentiality, integrity, and availability.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.