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.

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)

EPSS: 0.056 (92.2th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

SexyBeast233/SecBooks

References

cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

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.