CVE-2019-25249

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

CVSS 8.7 HIGHEPSS 0.4%CWE-266

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.7EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

24 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected products

devolo AG · dLAN 550 duo+ Starter Kit

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References

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