What is CVE-2017-14429?

CVE-2017-14429 is a critical-severity vulnerability in Dlink Dir-850l, classified under OS Command Injection. CVSS score: 9.8/10. Published 2017-09-13.

How severe is CVE-2017-14429?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Dlink Dir-850l

CVE-2017-14429

The DHCP client on D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. B (with firmware through FW208WWb02) devices allows unauthenticated remote code execution as root because /etc/services/INET/inet_ipv4.php mishandles shell metacharacters, affecting generated files such as WAN-1-udhcpc.sh.

Vulnerability class: Command Injection (OS Command Injection)

Published 2017-09-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.049 (91.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000

Affected products

Dlink Dir-850l
Dlink Dir-850l Firmware — versions fw114wwb07_h2ab

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

pierrekim.github.io/blog/2017-09-08-dlink-850l-mydlink-cloud-0days-vulnerabilit… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2017-14429?: CVE-2017-14429 is a critical-severity vulnerability in Dlink Dir-850l, classified under OS Command Injection. CVSS score: 9.8/10. Published 2017-09-13.
How severe is CVE-2017-14429?: Critical severity. CVSS v3 base score is 9.8 out of 10.