PatchTheCVECVE-2017-17867: Inteno iopsys 2.0-3.14 and 4.0 devices allow remote authenticated users to execute arbitrary OS commands by mo
CVE-2017-17867 is a high-severity flaw (CVSS 8.8) affecting iopsys. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- EPSS top 4%: very likely to be exploited
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.8 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 11.1% (top 4%) |
| CISA exploited list | No |
| Weakness | CWE-732 |
| Published | 2018-01-04 |
| Last modified | 2026-06-17 |
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
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Exploit-DB: Iopsys Router - 'dhcp' Remote Code Execution
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-2017-17867?
iopsys: upgrade to newer than 3.14. Exact commands for each OS are on this page.
Is CVE-2017-17867 being exploited?
CVE-2017-17867 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-2017-17867 affect?
CVE-2017-17867 affects iopsys. Severity is high (CVSS 8.8). 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 o
How urgent is CVE-2017-17867?
Priority 60/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference
Software pages
Related CVEs
- CVE-2018-20487 HIGH 8.8 UPGRADE An issue was discovered in the firewall3 component in Inteno IOPSYS 1.0 through 3.16