THREATPORT/VULNERABILITY/CVE-2017-16957
HIGH SEVERITY

CVE-2017-16957

Tl Wvr300 Firmware vulnerability

CVSS
8.8
EPSS
5.6%
EPSS pct
92th
Exploited
No known
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.
Affected vendor
Tp Link
Affected product
Tl Wvr300 Firmware
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-78 — OS Command Injection
Published
2017-11-27

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 5.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2017-16957

  • Confirm whether Tp Link Tl Wvr300 Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-16957.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-16957

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-16957 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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