Critical 9.8Published Dec 24, 2025

CVE-2019-25249devolo dLAN 500 AV Wireless+ 3.1.0-1 Remote Code Execution via htmlmgr

Updated under an hour ago (Oct 25, 2026, 9:40 PM ET)

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It affects devolo AG dLAN 550 duo+ Starter Kit. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for devolo AG dLAN 550 duo+ Starter Kit

Exploited in the last 30 days

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: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-266
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Dec 24, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

devolo AG dLAN 550 duo+ Starter Kit devolo:dlan_550_duo+_starter_kit (from the name)	500 AV Wireless+ 3.1.0-1	CNA record

References

https://www.exploit-db.com/exploits/46325exploit
https://www.devolo.comproduct
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5508.phpthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.