CVE-2026-22909: Certain system functions may be accessed without proper authorization, allowing attackers to start, stop, or d

This month

HIGH 7.5REMOTEMITIGATE

CVE-2026-22909 is a high-severity flaw (CVSS 7.5) affecting tdc-x401gl firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Certain system functions may be accessed without proper authorization, allowing attackers to start, stop, or delete installed applications, potentially disrupting system operations.

Why this priority

High severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-284, CWE-863
Published	2026-01-15
Last modified	2026-06-17

Publisher (CNA): SICK AG · Vendor: sick

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-15 13:16 UTCPublished CVE record published
2026-06-17 10:20 UTCUpdated Record last modified

sick tdc-x401gl firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-22909?

tdc-x401gl firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-22909 being exploited?

CVE-2026-22909 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-22909 affect?

CVE-2026-22909 affects tdc-x401gl firmware. Severity is high (CVSS 7.5). Certain system functions may be accessed without proper authorization, allowing attackers to start, stop, or delete installed applications, potentially disrupting system operations.

How urgent is CVE-2026-22909?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

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References

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