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Medium

Improper Access Control in Fortinet FortiSwitchAXFixed SSH Config Handling

IdentifiersCVE-2026-22628CWE-284· Improper Access Control

CVE-2026-22628 is an improper access control vulnerability in Fortinet FortiSwitchAXFixed versions 1.0.0 through 1.0.1. According to the provided content, the flaw allows an authenticated administrator to execute system commands by using a specifically crafted SSH configuration file. The issue is described as a bypass of shell command restrictions through SSH local configuration overrides, indicating that command execution controls enforced for administrative SSH access can be circumvented under affected versions.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows an authenticated admin user to bypass intended shell command restrictions and execute system commands on the affected FortiSwitchAXFixed device. This can undermine administrative boundary controls and may enable unauthorized modification of system state, access to sensitive device data, service manipulation, or further compromise of the appliance depending on the privileges of the affected administrative context.

Mitigation

If you can’t patch tonight, do this now.

Until patches are applied, restrict SSH and CLI access to trusted administrative hosts only, minimize the number of accounts with administrative access, and closely monitor administrative SSH activity and logs for anomalous command execution or attempts to use crafted SSH configuration behavior. Where operationally feasible, disable or tightly control direct SSH administrative access and use segmented management networks.

Remediation

Patch, then assume compromise.

Upgrade FortiSwitchAXFixed to a fixed release beyond versions 1.0.0 and 1.0.1, in accordance with Fortinet's advisory for CVE-2026-22628. Administrators should verify installed versions against Fortinet's affected-version guidance and apply the vendor-provided patch or updated firmware as soon as possible.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
FortinetFortiswitchaxfixedapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

2 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity1

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-22628
NVD
nvd.nist.gov/vuln/detail/CVE-2026-22628
MITRE CWE · CWE-284
Improper Access Control
Vendor Advisory
fortiguard.fortinet.com/psirt/FG-IR-26-085