PT-2022-11737 · Totolink · Totolink Ex1200T

Published 2022-06-03 · Updated 2022-06-13 · CVE-2021-42892

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions TOTOLINK EX1200T version 4.1.2cu.5215

Description The issue allows an attacker to start telnet without authorization due to the existence of a default username and password in the firmware.

Recommendations For TOTOLINK EX1200T version 4.1.2cu.5215, consider changing the default username and password to prevent unauthorized access via telnet. As a temporary workaround, restrict access to telnet until a patch is available.

Exploit

Fix

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

CVE-2021-42892

Affected Products

Totolink Ex1200T

References · 4

• 🔥 https://github.com/p1Kk/vuln/blob/main/totolink_ex1200t_telnet_default.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-42892 · Security Note
• https://osv.dev/vulnerability/CVE-2021-42892 · Vendor Advisory
• https://t.me/cibsecurity/43826 · Telegram Post