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Critical · 9.8 CVE-2019-25249 EUVD-2025-205315GHSA-p782-2pf9-qvmm

devolo dLAN 500 AV Wireless+ 3.1.0-1 Remote Code Execution via htmlmgr

Published Dec 24, 2025 · Updated Dec 24, 2025 · Assigned by VulnCheck

Description

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.

Affected products

VendorProductAffectedFixed
devolo dLAN 550 duo+ Starter Kit 500 AV Wireless+ 3.1.0-1 —

References