PT-2024-2866 · Totolink · Totolink Ex200

Published 2024-04-08 · Updated 2024-08-13 · CVE-2024-31807

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 EX200 version 4.0.3c.7646 B20201211

Description The issue is related to a remote code execution vulnerability in the NTPSyncWithHost function, specifically via the hostTime parameter. This vulnerability is associated with weaknesses in the authorization procedure, allowing a remote attacker to execute arbitrary code.

Recommendations For TOTOLINK EX200 version 4.0.3c.7646 B20201211, as a temporary workaround, consider disabling the NTPSyncWithHost function until a patch is available. Restrict access to the hostTime parameter in the affected function 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

Improper Authorization

Code Injection

Weakness Enumeration

CWE-285

CWE-94

Related Identifiers

BDU:2024-03023

CVE-2024-31807

Affected Products

Totolink Ex200

References · 8

• 🔥 https://github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/CI_2_NTPSyncWithHost/CI.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-31807 · Security Note
• https://bdu.fstec.ru/vul/2024-03023 · Security Note
• https://osv.dev/vulnerability/CVE-2024-31807 · Vendor Advisory
• https://twitter.com/CVEnew/status/1777317856109085002 · Twitter Post
• https://t.me/cvenotify/76047 · Telegram Post
• https://t.me/cvenotify/90334 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1777342995450282303 · Twitter Post