PT-2020-10173 · Tenda · Tenda Pa6 Wi-Fi Powerline Extender

Avishay Bartik + 1 · Published 2020-06-25 · Updated 2020-07-08 · CVE-2019-19505

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Tenda PA6 Wi-Fi Powerline extender version 1.0.1.21

Description The issue is caused by improper bounds checking by the "Wireless" section in the web-UI, leading to a stack-based buffer overflow. A remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash by sending a specially crafted hostname.

Recommendations For Tenda PA6 Wi-Fi Powerline extender version 1.0.1.21, consider disabling the "Wireless" section in the web-UI as a temporary workaround to minimize the risk of exploitation. Restrict access to the web-UI to prevent remote attackers from sending specially crafted hostnames. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-19505

Affected Products

Tenda Pa6 Wi-Fi Powerline Extender

References · 7

• 🔥 https://securityintelligence.com/posts/vulnerable-powerline-extenders-underline-lax-iot-security · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-19505 · Security Note
• https://osv.dev/vulnerability/CVE-2019-19505 · Vendor Advisory
• https://t.me/cibsecurity/13073 · Telegram Post
• https://t.me/cibsecurity/13163 · Telegram Post
• https://t.me/cibsecurity/13174 · Telegram Post
• https://t.me/cvenotify/4660 · Telegram Post