CVE-2023-22971: Cross Site Scripting (XSS) vulnerability in Hughes Network Systems Router Terminal for HX200 v8.3.1.14, HX90 v
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Routine
MEDIUM 6.1MITIGATEMITIGATEMITIGATE
CVE-2023-22971 is a medium-severity flaw (CVSS 6.1) affecting hx200 firmware, hx90 firmware, hx50l firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Cross Site Scripting (XSS) vulnerability in Hughes Network Systems Router Terminal for HX200 v8.3.1.14, HX90 v6.11.0.5, HX50L v6.10.0.18, HN9460 v8.2.0.48, and HN7000S v6.9.0.37, allows unauthenticated attackers to misuse frames, include JS/HTML code and steal sensitive information from legitimate users of the application.
Why this priority
Public exploit reference
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
hughes hx200 firmware MITIGATE
Affected: 8.3.1.14
Fixed in: no fixed release known
Safe to downgrade to: a release before 8.3.1.14
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.
hughes hx90 firmware MITIGATE
Affected: 6.11.0.5
Fixed in: no fixed release known
Safe to downgrade to: a release before 6.11.0.5
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.
hughes hx50l firmware MITIGATE
Affected: 6.10.0.18
Fixed in: no fixed release known
Safe to downgrade to: a release before 6.10.0.18
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.
hughes hn9460 firmware MITIGATE
Affected: 8.2.0.48
Fixed in: no fixed release known
Safe to downgrade to: a release before 8.2.0.48
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.
hughes hn7000s firmware MITIGATE
Affected: 6.9.0.37
Fixed in: no fixed release known
Safe to downgrade to: a release before 6.9.0.37
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-2023-22971?
hx200 firmware: mitigate or apply the listed mitigation; hx90 firmware: mitigate or apply the listed mitigation; hx50l firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2023-22971 being exploited?
CVE-2023-22971 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-2023-22971 affect?
CVE-2023-22971 affects hx200 firmware, hx90 firmware, hx50l firmware. Severity is medium (CVSS 6.1). Cross Site Scripting (XSS) vulnerability in Hughes Network Systems Router Terminal for HX200 v8.3.1.14, HX90 v6.11.0.5, HX50L v6.10.0.18, HN9460 v8.2.0.48, and HN7000S v6.9.0.37, allows unauthenticated attackers to misuse frames, include JS
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