CVE-2022-40939: In certain Secustation products the administrator account password can be read

Routine

MEDIUM 4.9MITIGATE

CVE-2022-40939 is a medium-severity flaw (CVSS 4.9) affecting secustation firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In certain Secustation products the administrator account password can be read. This affects V2.5.5.3116-S50-SMA-B20171107A, V2.3.4.1301-M20-TSA-B20150617A, V2.5.5.3116-S50-RXA-B20180502A, V2.5.5.3116-S50-SMA-B20190723A, V2.5.5.3116-S50-SMB-B20161012A, V2.3.4.2103-S50-NTD-B20170508B, V2.5.5.3116-S50-SMB-B20160601A, V2.5.5.2601-S50-TSA-B20151229A, and V2.5.5.3116-S50-SMA-B20170217.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.9 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-319
Published	2022-12-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: secu

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

Am I affected?

Timeline

2022-12-08 17:15 UTCPublished CVE record published
2026-06-17 05:02 UTCUpdated Record last modified

secu secustation firmware MITIGATE

Affected: 2.3.4.1301-m20-tsa-b20150617a · 2.3.4.2103-s50-ntd-b20170508b · 2.5.5.2601-s50-tsa-b20151229a · 2.5.5.3116-s50-rxa-b20180502a · 2.5.5.3116-s50-sma-b20170217 · 2.5.5.3116-s50-sma-b20171107a · 2.5.5.3116-s50-sma-b20190723a · 2.5.5.3116-s50-smb-b20160601a

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.3.4.1301-m20-tsa-b20150617a

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-2022-40939?

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

Is CVE-2022-40939 being exploited?

CVE-2022-40939 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-2022-40939 affect?

CVE-2022-40939 affects secustation firmware. Severity is medium (CVSS 4.9). In certain Secustation products the administrator account password can be read. This affects V2.5.5.3116-S50-SMA-B20171107A, V2.3.4.1301-M20-TSA-B20150617A, V2.5.5.3116-S50-RXA-B20180502A, V2.5.5.3116-S50-SMA-B20190723A, V2.5.5.3116-S50-SMB

How urgent is CVE-2022-40939?

Priority 32/100. Public exploit reference

References

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