CVE-2017-17758 Command injection in n/a

High 8.8 Published Updated

Authenticated attackers can execute arbitrary commands on TP-Link routers via shell metacharacters in the interface field of a DHCP configuration request.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-17758?

CVE-2017-17758 is a high-severity command injection vulnerability in n/a, published on 19 Dec 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

TP-Link TL-WVR and TL-WAR devices allow remote authenticated users to execute arbitrary commands via shell metacharacters in the interface field of an admin/dhcps command to cgi-bin/luci, related to the zone_get_iface_bydev function in /usr/lib/lua/luci/controller/admin/dhcps.lua in uhttpd.

Weakness: CWE-78

Which versions are affected by CVE-2017-17758?

It affects 15 products.

Products include Tp-Link Tl-War1200l Firmware, Tp-Link Tl-War1300l Firmware, Tp-Link Tl-War1750l Firmware, Tp-Link Tl-War2600l Firmware, Tp-Link Tl-War450l Firmware, Tp-Link Tl-War458l Firmware and 9 more.

How do I fix CVE-2017-17758?

No fix has been published for CVE-2017-17758 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2017-17758 being exploited?

There is no known exploitation of CVE-2017-17758 in the wild and no public exploit code.

Sources

Also known as GHSA-h7gg-vfgx-wh9w.

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