CVE-2017-16957

TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allow remote authenticated users to execute...

8.8 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

5.64%Up 4.3 points since Apr 14, 2021

What each source reports

NVD Score used 8.8

Record: CVE-2017-16957
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 9.0 HighAV:N/AC:L/Au:S/C:C/I:C/A:C
Weakness: CWE-78
Updated: 2026-11-02

CVE List No score

Record: CVE-2017-16957
Updated: 2026-11-02

EUVDEUVD-2017-8126 No score

Record: EUVD-2017-8126
Updated: 2026-11-03

GitHub AdvisoriesGHSA-6j2r-x7vg-2xqp 8.8

TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allow remote authenticated users to execute...

Record: GHSA-6j2r-x7vg-2xqp
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

Affected products

Show 41 moreShow less

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-16957 is a high vulnerability (CVSS 8.8) in Tp-link Tl-er3210g Firmware, published November 27, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.64%, the 93rd percentile. No source names a fixed version.