CVE-2019-6487

TP-Link WDR Series devices through firmware v3 (such as TL-WDR5620 V3.0) are affected by command injection (after login) leading to remote code execution, because shell metacharacters can be included in the weather get_weather_observe citycode field.
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 95%
VendorProductVersion
tp-linktl-wdr5620_firmware
𝑥
≤ 3.0
tp-linktl-wdr3500_firmware
𝑥
≤ 3.0
tp-linktl-wdr3600_firmware
𝑥
≤ 3.0
tp-linktl-wdr4300_firmware
𝑥
≤ 3.0
tp-linktl-wdr4900_firmware
𝑥
≤ 3.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/0xcc-Since2016/TP-Link-WDR-Router-Command-injection_POC/blob/master/poc.py
https://github.com/0xcc-Since2016/TP-Link-WDR-Router-Command-injection_POC/blob/master/poc.py