CVE-2022-40204: A cross-site scripting (XSS) vulnerability exists in all current versions of Digital Alert Systems DASDEC soft
22
Routine
MEDIUM 4.1MITIGATEMITIGATEMITIGATE
CVE-2022-40204 is a medium-severity flaw (CVSS 4.1) affecting dasdec ii firmware, one-net se firmware, dasdec i firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A cross-site scripting (XSS) vulnerability exists in all current versions of Digital Alert Systems DASDEC software via the Host Header in undisclosed pages after login.
Why this priority
No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
Published CVE record published
Updated Record last modified
digitalalertsystems dasdec ii 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.
digitalalertsystems one-net se 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.
digitalalertsystems dasdec i 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.
digitalalertsystems one-net 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.
digitalalertsystems dasdec iii 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 sourceNVD · 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-2022-40204?
dasdec ii firmware: mitigate or apply the listed mitigation; one-net se firmware: mitigate or apply the listed mitigation; dasdec i firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2022-40204 being exploited?
CVE-2022-40204 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-2022-40204 affect?
CVE-2022-40204 affects dasdec ii firmware, one-net se firmware, dasdec i firmware. Severity is medium (CVSS 4.1). A cross-site scripting (XSS) vulnerability exists in all current versions of Digital Alert Systems DASDEC software via the Host Header in undisclosed pages after login.
How urgent is CVE-2022-40204?
Priority 22/100. No elevated risk signals yet.
Related CVEs
CVE-2019-18265MEDIUM 4.7UPGRADEUPGRADE Digital Alert Systems’ DASDEC software prior to version 4.1 contains a cross-site scripting (XSS) vulnerabilit
PatchTheCVE