PT-2024-24217 · Totolink · Totolink Ex200

Published 2024-04-03 · Updated 2024-08-01 · CVE-2024-31809

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 EX200 version 4.0.3c.7646 B20201211

Description A remote code execution issue was discovered, allowing exploitation via the FileName parameter in the setUpgradeFW function. This enables unauthorized code execution, potentially leading to device compromise.

Recommendations For TOTOLINK EX200 version 4.0.3c.7646 B20201211, consider disabling the setUpgradeFW function until a patch is available to prevent exploitation via the FileName parameter. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-75

Related Identifiers

BDU:2025-03207

CVE-2024-31809

Affected Products

Totolink Ex200

References · 8

• 🔥 https://github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/CI_4_setUpgradeFW/CI.md · Exploit
• https://bdu.fstec.ru/vul/2025-03207 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-31809 · Security Note
• https://osv.dev/vulnerability/CVE-2024-31809 · Vendor Advisory
• https://github.com/advisories/GHSA-75cq-q7qc-2mc2 · Note
• https://twitter.com/CVEnew/status/1777317858382319809 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1777343501891461510 · Twitter Post
• https://t.me/cvenotify/76049 · Telegram Post