PT-2022-12500 · Totolink · Totolink A3100R

Kv · Published 2022-03-30 · Updated 2022-04-05 · CVE-2021-46008

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions totolink a3100r version V5.9c.4577

Description The issue concerns a hard-coded telnet password in the official released firmware, which can be easily discovered. An attacker connected to the Wi-Fi can exploit this by telnetting into the target with root shell if the telnet function is turned on.

Recommendations For totolink a3100r version V5.9c.4577, consider disabling the telnet function as a temporary workaround to minimize the risk of exploitation. 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-2021-46008

Affected Products

Totolink A3100R

References · 6

• 🔥 https://hackmd.io/ZkeEB-VvRiWBS53rFKG8DQ · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-46008 · Security Note
• https://osv.dev/vulnerability/CVE-2021-46008 · Vendor Advisory
• http://totolink.com · Vendor Advisory
• https://t.me/cibsecurity/39881 · Telegram Post
• http://a3100r.com · Note