Devolo dLAN 550 duo+ Starter Kit up to 3.1.0-1 htmlmgr privileges assignment

CVSS Meta Temp Score
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CTI Interest Score
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8.9$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Devolo dLAN 550 duo+ Starter Kit up to 3.1.0-1. This impacts an unknown function of the component htmlmgr. This manipulation causes privileges assignment. This vulnerability is tracked as CVE-2019-25249. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as critical was found in Devolo dLAN 550 duo+ Starter Kit up to 3.1.0-1. Affected by this vulnerability is some unknown functionality of the component htmlmgr. The manipulation with an unknown input leads to a privileges assignment vulnerability. The CWE definition for the vulnerability is CWE-266. A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was disclosed by Stefan Petrushevski as 46325. It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2019-25249 since 12/24/2025. The exploitation appears to be easy. The attack can be launched remotely. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (46325) and EUVD (EUVD-2025-205315). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.9

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges assignment
CWE: CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/24/2025 CVE reserved
12/24/2025 +0 days VulDB entry created
12/25/2025 +0 days Advisory disclosed
12/25/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: 46325
Researcher: Stefan Petrushevski
Status: Not defined

CVE: CVE-2019-25249 (🔒)
GCVE (CVE): GCVE-0-2019-25249
GCVE (VulDB): GCVE-100-338347
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/25/2025 00:32
Updated: 12/25/2025 11:24
Changes: 12/25/2025 00:32 (79), 12/25/2025 11:24 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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