CVE-2026-22911: Firmware update files may expose password hashes for system accounts, which could allow a remote attacker to r

Routine

MEDIUM 5.3REMOTEMITIGATE

CVE-2026-22911 is a medium-severity flaw (CVSS 5.3) affecting tdc-x401gl firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Firmware update files may expose password hashes for system accounts, which could allow a remote attacker to recover credentials and gain unauthorized access to the device.

Why this priority

Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-798, CWE-522
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-2026-22911?

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

Is CVE-2026-22911 being exploited?

CVE-2026-22911 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-2026-22911 affect?

CVE-2026-22911 affects tdc-x401gl firmware. Severity is medium (CVSS 5.3). Firmware update files may expose password hashes for system accounts, which could allow a remote attacker to recover credentials and gain unauthorized access to the device.

How urgent is CVE-2026-22911?

Priority 35/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-22919 LOW 3.8 UPGRADE An attacker with administrative access may inject malicious content into the login page, potentially enabling
CVE-2026-22918 MEDIUM 4.3 MITIGATE An attacker may exploit missing protection against clickjacking by tricking users into performing unintended a
CVE-2026-22917 MEDIUM 4.3 UPGRADE Improper input handling in a system endpoint may allow attackers to overload resources, causing a denial of se
CVE-2026-22916 MEDIUM 4.3 MITIGATE An attacker with low privileges may be able to trigger critical system functions such as reboot or factory res
CVE-2026-22915 MEDIUM 4.3 MITIGATE An attacker with low privileges may be able to read files from specific directories on the device, potentially

References

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