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Vulnerability record · CVE-2017-14429 · published 13 September 2017

CVE-2017-14429: Dlink dir-850l firmware os command injection vulnerability

Dlink · Dir 850l Firmware

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.

9.8 CVSS 3.1 Critical EPSS 4.9% · top 8.2% CWE-78 · OS command injection
9.8CVSS 3.1 base score, v2 10.0
4.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://pierrekim.github.io/blog/2017-09-08-dlink-850l-mydlink-cloud-0days-vulnerabilities.html ExploitThird Party Advisory
https://pierrekim.github.io/blog/2017-09-08-dlink-850l-mydlink-cloud-0days-vulnerabilities.html ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-49004Dlink dir-850l firmware code injection vulnerabilityAn issue in D-Link DIR-850L v.B1_FW223WWb01 allows a remote attacker to execute arbitrary code via a crafted script to the en parameter.EPSS 1.9%9.8CVE-2018-20675Dlink dir-822 firmware improper authentication vulnerabilityD-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before v3.11B01Beta, DIR-850L A* before v1.21B08Beta, DIR-850L B* before v2.22B03Beta, and DIR-8…EPSS 1.8%9.8CVE-2016-6563D-Link DIR routers stack buffer overflow via HNAP SOAP loginMalformed SOAP messages sent to the HNAP Login action overflow a stack buffer in several D-Link DIR router models. The vulnerable XML fields are Acti…EPSS 80%analysed9.8CVE-2018-9032Dlink dir-850l firmware improper authentication vulnerabilityAn authentication bypass vulnerability on D-Link DIR-850L Wireless AC1200 Dual Band Gigabit Cloud Router (Hardware Version : A1, B1; Firmware Version…EPSS 28%9.8CVE-2017-14417Dlink dir-850l firmware missing authentication for critical function vulnerabilityregister_send.php on D-Link DIR-850L REV. B (with firmware through FW208WWb02) devices does not require authentication, which can result in unintende…EPSS 1.3%9.8CVE-2017-14421Dlink dir-850l firmware hard-coded credentials vulnerabilityD-Link DIR-850L REV. B (with firmware through FW208WWb02) devices have a hardcoded password of wrgac25_dlink.2013gui_dir850l for the Alphanetworks ac…EPSS 2.3%8.8CVE-2018-20674Dlink dir-822 firmware vulnerabilityD-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before v3.11B01Beta, DIR-850L A* before v1.21B08Beta, DIR-850L B* before v2.22B03Beta, and DIR-8…EPSS 2.5%8.8CVE-2017-3193Dlink dir-850l firmware stack-based buffer overflow vulnerabilityMultiple D-Link devices including the DIR-850L firmware versions 1.14B07 and 2.07.B05 contain a stack-based buffer overflow vulnerability in the web …EPSS 5.6%

Source: NIST National Vulnerability Database (record CVE-2017-14429), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.