CVE-2017-16957 — TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allow remote authenticated users
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/controll
Published
2017-11-27T10:29:00.440
Last modified
2026-05-13T00:24:29.033
CVSS vector
AV:N/AC:L/Au:S/C:C/I:C/A:C
01What is this vulnerability?
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.
02Affected products
No structured affected-product list available — see references below for vendor advisories.
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2017-11-27T10:29:00.440
- Last modified: 2026-05-13T00:24:29.033
09References
- www.securityfocus.com — http://www.securityfocus.com/bid/101968
- github.com — https://github.com/coincoin7/Wireless-Router-Vulnerability/blob/master/TplinkDia…
- www.securityfocus.com — http://www.securityfocus.com/bid/101968
- github.com — https://github.com/coincoin7/Wireless-Router-Vulnerability/blob/master/TplinkDia…
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