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CVE-2024-31070: Initialization of a resource with an insecure default vulnerability in FutureNet NXR series, VXR series and WX

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CRITICAL 9.1REMOTEUPGRADEMITIGATEUPGRADE

CVE-2024-31070 is a critical-severity flaw (CVSS 9.1) affecting futurenet nxr-1300 firmware, futurenet nxr-155\/c firmware, futurenet nxr-610x firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Initialization of a resource with an insecure default vulnerability in FutureNet NXR series, VXR series and WXR series provided by Century Systems Co., Ltd. allows a remote unauthenticated attacker to access telnet service unlimitedly.

Why this priority

  • Critical severity
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score9.1 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.8% (top 45%)
CISA exploited listNo
WeaknessCWE-1188
Published2024-07-17
Last modified2026-06-17
Publisher (CNA): JPCERT/CC · Vendor: centurysys

Share: LinkedIn · X · Reddit

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

Am I affected?

Timeline

centurysys futurenet nxr-1300 firmware UPGRADE
Affected: < 7.4.10
Fixed in: 7.4.10
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.
centurysys futurenet nxr-155\/c 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.
centurysys futurenet nxr-610x firmware UPGRADE
Affected: < 21.14.11c
Fixed in: 21.14.11c
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.
centurysys futurenet nxr-g050 firmware UPGRADE
Affected: < 21.12.10
Fixed in: 21.12.10
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.
centurysys futurenet nxr-g060 firmware UPGRADE
Affected: < 21.15.6
Fixed in: 21.15.6
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.
centurysys futurenet nxr-g100 firmware UPGRADE
Affected: < 6.23.11
Fixed in: 6.23.11
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.

Advisories and coverage

Official advisories

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-2024-31070?

futurenet nxr-1300 firmware: upgrade to 7.4.10; futurenet nxr-155\/c firmware: mitigate or apply the listed mitigation; futurenet nxr-610x firmware: upgrade to 21.14.11c. Exact commands for each OS are on this page.

Is CVE-2024-31070 being exploited?

CVE-2024-31070 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-2024-31070 affect?

CVE-2024-31070 affects futurenet nxr-1300 firmware, futurenet nxr-155\/c firmware, futurenet nxr-610x firmware. Severity is critical (CVSS 9.1). Initialization of a resource with an insecure default vulnerability in FutureNet NXR series, VXR series and WXR series provided by Century Systems Co., Ltd. allows a remote unauthenticated attacker to access telnet service unlimitedly.

How urgent is CVE-2024-31070?

Priority 51/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

References

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