PT-2021-17782 · Unknown · Wireless-N Wifi Repeater

Published 2021-03-18 · Updated 2021-03-25 · CVE-2021-28160

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: Wireless-N WiFi Repeater REV 1.0 (28.08.06.1)

Description: The issue is related to a reflected XSS vulnerability due to an unsanitized SSID value when it is displayed in the "Repeater Wizard" homepage section of the /repeater.html page. This vulnerability can also be exploited via a malformed SSID field during scanning for nearby access points, enabling an attacker to steal LAN credentials without being connected to the device.

Recommendations: For Wireless-N WiFi Repeater REV 1.0 (28.08.06.1), consider disabling access to the /repeater.html page or restricting the display of SSID values in the "Repeater Wizard" section until a patch is available. Avoid using the SSID value in the affected API endpoint until the issue is resolved. As a temporary workaround, restrict access to the Repeater Wizard web management section to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-28160

Affected Products

Wireless-N Wifi Repeater

References · 7

• 🔥 https://blog-ssh3ll.medium.com/acexy-wireless-n-wifi-repeater-vulnerabilities-8bd5d14a2990 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-28160 · Security Note
• https://osv.dev/vulnerability/CVE-2021-28160 · Vendor Advisory
• https://t.me/cibsecurity/25143 · Telegram Post
• https://t.me/cvenotify/11550 · Telegram Post
• https://t.me/cvenotify/11583 · Telegram Post
• https://amazon.com/Extender-Wireless-Repeater-External-Antennas/dp/B08GMCC6X2 · Note