Invoxia NVX220 Telnet Service hard-coded credentials

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

A vulnerability was found in Invoxia NVX220 (unknown version). It has been declared as very critical. Affected by this vulnerability is an unknown code block of the component Telnet Service. The manipulation with an unknown input leads to a hard-coded credentials vulnerability. The CWE definition for the vulnerability is CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Invoxia NVX220 devices allow TELNET access as admin with a default password.

The weakness was released 07/05/2019. This vulnerability is known as CVE-2018-14528 since 07/22/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/17/2023). MITRE ATT&CK project uses the attack technique T1110.001 for this issue.

Proper firewalling of is able to address this issue.

Entry connected to this vulnerability is available at VDB-137402.




CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍


VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Hard-coded credentials
CWE: CWE-798 / CWE-259 / CWE-255

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: Firewall
Status: 🔍

0-Day Time: 🔍


07/22/2018 🔍
07/05/2019 +348 days 🔍
07/06/2019 +1 days 🔍
10/17/2023 +1564 days 🔍


Status: Not defined

CVE: CVE-2018-14528 (🔍)
See also: 🔍


Created: 07/06/2019 08:42 AM
Updated: 10/17/2023 07:52 PM
Changes: 07/06/2019 08:42 AM (36), 07/01/2020 06:07 PM (17), 10/17/2023 07:52 PM (4)
Complete: 🔍
Cache ID: 3:78F:40


No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!