CVE-2017-16959

High PUBLISHED

The locale feature in cgi-bin/luci on TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allows remote authenticated users to test for the existence...

TP-Link · TL-WVR, TL-WAR, TL-ER, TL-R devices

Not yet in CISA KEV

Exploited in the wild

Recommended Action

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Confidence
High
Exploitation Status
Exploited in the wild
Observed in Sensors
No
Attempts (30d)
Unique Attacker IPs
CISA KEV
Not yet in CISA KEV
CVSS / EPSS
6.5 Medium

At a Glance

The locale feature in cgi-bin/luci on TP-Link TL-WVR, TL-WAR, TL-ER, and TL-R devices allows remote authenticated users to test for the existence of arbitrary files by making an operation=write;locale=%0d request, and then making an operation=read request with a crafted Accept-Language HTTP header, related to the set_sysinfo and get_sysinfo functions in /usr/lib/lua/luci/controller/locale.lua in uhttpd.

CVE Published
Nov 27, 2017
Exploitation Reported
Nov 27, 2017
CVSS
6.5 Medium
EPSS
Remote Low complexity No user interaction

Affected Versions

Vendor Product Version Status
n/a
n/a

n/a

Affected

CVE References

Recommended Actions

  • Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
  • Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.