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CVE-2017-14429

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductDlink Dir-850l Firmware
PublishedSep 13, 2017
First seenSep 13, 2017
Weakness typeCWE-78OS command injection

How to fix

Update
  • dlink dir-850l_firmwarefw114wwb07_h2ab or later

Affected products

ProductAffected versionsFixed in
dlink dir-850l_firmwarev < fw114wwb07_h2ab, fw114wwb07_h2ab, v ≤ fw208wwb02fw114wwb07_h2ab

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