Is CVE-2017-17743 actively exploited?

No active exploitation of CVE-2017-17743 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-17743 be exploited remotely?

No. CVE-2017-17743 requires local access to exploit.

What is the CVSS score of CVE-2017-17743?

CVE-2017-17743 has a CVSS score of 6.7 (MEDIUM).

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MEDIUM

CVE-2017-17743

CWE-287Published: March 22, 2018· Updated: Jun 17, 2026

6.7

CVSS v3.1

Official Description

Improper input sanitization within the restricted administration shell on UCOPIA Wireless Appliance devices before 4.4.20, 5.0.x before 5.0.19, and 5.1.x before 5.1.11 allows authenticated remote attackers to escape the shell and escalate their privileges by uploading a .bashrc file containing the /bin/sh string. In some situations, authentication can be achieved via the bhu85tgb default password for the admin account.

NVD Source

Technical Analysis

CVE-2017-17743 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.7.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.