RCE in TP-Link Tl-Er3210g

CVE-2017-16957

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

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.056 (92.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-16957: held from 0.056 to 0.056.

EPSS over last 30 days · oldest: 0.056 · newest: 0.056 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-16957?
CVE-2017-16957 is a high-severity vulnerability in TP-Link Tl-Er3210g, classified under OS Command Injection. CVSS score: 8.8/10. Published 2017-11-27.
How severe is CVE-2017-16957?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2017-16957 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.