Is CVE-2018-5770 actively exploited?

No active exploitation of CVE-2018-5770 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-5770 be exploited remotely?

Yes. CVE-2018-5770 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-5770?

CVE-2018-5770 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2018-5770

CRITICAL

CVE-2018-5770

CWE-1188Published: March 20, 2018· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

An issue was discovered on Tenda AC15 devices. A remote, unauthenticated attacker can make a request to /goform/telnet, creating a telnetd service on the device. This service is password protected; however, several default accounts exist on the device that are root accounts, which can be used to log in.

NVD Source

Technical Analysis

CVE-2018-5770 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

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 9.8.