Vulnerability · 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.
Published Dec 24, 2025 · catalog updated Dec 24, 2025 · devolo AG dLAN 550 duo+ Starter Kit
Last checked Nov 2, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2019-25249. EPSS is 0.42%. Act only if a listed version of devolo AG dLAN 550 duo+ Starter Kit is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2019-25250 · Medium
- Severity
- High8.7
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.42%
- Remediation
- Vendor / distro source
- Affected products
- vendor devolo AG dLAN 550 duo+ Starter Kit 500 AV Wireless+ 3.1.0-1
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor devolo AG dLAN 550 duo+ Starter Kit 500 AV Wireless+ 3.1.0-1500 AV Wireless+ 3.1.0-1
How to fix CVE-2019-25249
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 500 AV Wireless+ 3.1.0-1
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2019-25249. EPSS is 0.42%. Act only if a listed version of devolo AG dLAN 550 duo+ Starter Kit is installed.
Which versions are affected?
Compare what you have installed with devolo AG dLAN 550 duo+ Starter Kit 500 AV Wireless+ 3.1.0-1 500 AV Wireless+ 3.1.0-1. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.42%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 24, 2025 · EUVD
Detected
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.
Dec 24, 2025 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2019-25249
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2019-25249
30-day exploitation probability 0.42%
first.org - EUVDVulnerability recordEUVD-2025-205315
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 b
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 2, 2026
- CVE.orgNov 2, 2026
- EUVDNov 1, 2026