Vulnerability identifier: #VU29418

Vulnerability risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-19506

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PA6 Wi-Fi Powerline extender
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Shenzhen Tenda Technology Co.,Ltd.

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the "homeplugd" process. A remote attacker can send a specially crafted UDP packet and perform a denial of service (DoS) attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

PA6 Wi-Fi Powerline extender: 1.0.1.21

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CPE

• cpe:2.3:h:shenzhen_tenda_technology_co._ltd.:pa6_wi-fi_powerline_extender:1.0.1.21:*:*:*:*:*:*:*

External links
http://securityintelligence.com/posts/vulnerable-powerline-extenders-underline-lax-iot-security/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.