PT-2022-22477 · Totolink · Totolink A3600R

Published 2022-08-04 · Updated 2022-08-10 · CVE-2022-34993

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Totolink A3600R Firmware version V4.1.2cu.5182 B20201102

Description The issue concerns a hard-coded password for the root user in the /etc/shadow.sample file. This could potentially allow unauthorized access to the system.

Recommendations For Totolink A3600R Firmware version V4.1.2cu.5182 B20201102, consider changing the root password to a unique and secure value as soon as possible to mitigate the risk of exploitation. Additionally, restrict access to the /etc/shadow.sample file to minimize the risk of the hard-coded password being used. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

CVE-2022-34993

Affected Products

Totolink A3600R

References · 5

• 🔥 https://github.com/cilan2/iot/blob/main/1.md · Exploit
• http://totolink.cn/home/menu/detail.html?menu_listtpl=download&id=63&ids=36image-20220606105532193 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-34993 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-34993 · Security Note
• https://t.me/cibsecurity/47579 · Telegram Post