PT-2024-2867 · Totolink · Totolink Ex200

Published 2024-04-08 · Updated 2024-08-15 · CVE-2024-31805

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions TOTOLINK EX200 version 4.0.3c.7646 B20201211

Description The issue is related to a flaw in the authorization procedure of the setTelnetCfg function in the TOTOLINK EX200 router's firmware. This flaw allows a remote attacker to start the Telnet service without authorization by exploiting the telnet enabled parameter in the setTelnetCfg function.

Recommendations For TOTOLINK EX200 version 4.0.3c.7646 B20201211, as a temporary workaround, consider disabling the setTelnetCfg function until a patch is available. Restrict access to the Telnet service to minimize the risk of exploitation. Avoid using the telnet enabled parameter in the affected function until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Authorization

Improper Access Control

Weakness Enumeration

CWE-285

CWE-284

Related Identifiers

BDU:2024-03024

CVE-2024-31805

Affected Products

Totolink Ex200

References · 8

• 🔥 https://github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/CI_5_setTelnetCfg/CI.md · Exploit
• https://bdu.fstec.ru/vul/2024-03024 · Security Note
• https://osv.dev/vulnerability/CVE-2024-31805 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-31805 · Security Note
• https://twitter.com/CVEnew/status/1777312395314274415 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1777342489084498258 · Twitter Post
• https://t.me/cvenotify/76045 · Telegram Post
• https://t.me/cvenotify/90720 · Telegram Post