PT-2025-51255 · Totolink · Totolink N200Re

L0Tk3 · Published 2025-12-15 · Updated 2025-12-21 · CVE-2025-55893

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions TOTOLINK N200RE version 9.3.5u.6437 B20230519

Description The TOTOLINK N200RE router firmware contains a command injection flaw in the setOpModeCfg function through the hostName parameter. This allows for potential unauthorized control of the system.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict access to the setOpModeCfg function until a patch is available.

Exploit

Fix

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2025-55893

Affected Products

Totolink N200Re

References · 7

• 🔥 https://github.com/l0tk3/CVES/blob/main/CVE-2025-55893.pdf · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-55893 · Security Note
• https://osv.dev/vulnerability/CVE-2025-55893 · Vendor Advisory
• https://twitter.com/CVEnew/status/2002857393714278454 · Twitter Post
• https://totolink.net · Note
• https://twitter.com/VulmonFeeds/status/2000651071648071694 · Twitter Post
• https://t.me/CVEtracker/39854 · Telegram Post