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CVE-2022-41328 is a path traversal vulnerability in Fortinet FortiOS caused by improper limitation of a pathname to a restricted directory. It affects FortiOS 7.2.0 through 7.2.3, 7.0.0 through 7.0.9, versions before 6.4.11, and reporting also indicates all versions in the 6.0 and 6.2 branches are affected. The flaw can be triggered through crafted CLI commands and allows a privileged attacker to escape intended filesystem restrictions and perform arbitrary file read and write operations on the underlying Linux system. Observed exploitation showed the vulnerability being used to upload or replace files outside normal bounds, enabling modification of system components and deployment of implants. In incident reporting, the vulnerability was associated with attempts to replace executable components and with broader compromise of FortiGate devices managed through FortiManager.
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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.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability (unspecified in the content) affecting Fortinet FortiOS that is listed as exploited by the threat actor UNC3886/Volt Typhoon.
A Fortinet zero-day vulnerability reportedly leveraged by UNC3886 in 2023 to compromise targets and deploy custom backdoors.
A Fortinet FortiGate firewall vulnerability referenced as a zero-day used by UNC3886 for targeting and intrusion operations.
A local zero-day vulnerability in FortiOS, exploited by UNC3886 to deploy custom malware on Fortinet and VMware systems.
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.