CVE-2019-25249

devolo dLAN 500 AV Wireless+ 3.1.0-1 contains an authentication bypass vulnerability that allows attackers to enable hidden services through the htmlmgr CGI script. Attackers can enable telnet and remote shell services, reboot the device, and gain root access without a password by manipulating system configuration parameters.

Score

CVSS 3.1 9.8 Critical

Status

Deferred - disclosure@vulncheck.com

Published

2025-12-24

Last modified

2025-12-24

Weaknesses

CWE-266

Affected products

• Dlan 550 Duo Starter Kit (Devolo Ag)

References

• https://www.devolo.com
• https://www.exploit-db.com/exploits/46325
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5508.php