CVE-2025-13184

Unauthenticated Telnet enablement via cstecgi.cgi (auth bypass) leading to unauthenticated root login with a blank password on factory/reset X5000R V9.1.0u.6369_B20230113 (arbitrary command execution). Earlier versions that share the same implementation, may also be affected.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - cret@cert.org

Published

2025-12-10

Last modified

2025-12-10

Weaknesses

CWE-863

Affected products

• X5000rs Ax1800 Router (Toto Link)
• X5000r Firmware (Totolink)

References

• https://hackingbydoing.wixsite.com/hackingbydoing/post/totolink-x5000r-ax1800-router-authentication-bypass
• https://www.kb.cert.org/vuls/id/821724