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Vulnerability record · CVE-2019-25249 · published 24 December 2025

CVE-2019-25249: devolo dLAN 500 AV Wireless+ 3.1.0-1 contains an authentication bypass vulnerability that allows attackers to …

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.

8.7 CVSS 4.0 High EPSS 0.42% · top 66.2% CWE-266 · CWE-266 Deferred
8.7CVSS 4.0 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

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

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Source: NIST National Vulnerability Database (record CVE-2019-25249), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.