CVE-2018-14558

9.8 CRITICAL CISA KEV - Actively Exploited
Published: October 30, 2018 Modified: November 07, 2025
View on NVD

Description

An issue was discovered on Tenda AC7 devices with firmware through V15.03.06.44_CN(AC7), AC9 devices with firmware through V15.03.05.19(6318)_CN(AC9), and AC10 devices with firmware through V15.03.06.23_CN(AC10). A command Injection vulnerability allows attackers to execute arbitrary OS commands via a crafted goform/setUsbUnload request. This occurs because the "formsetUsbUnload" function executes a dosystemCmd function with untrusted input.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/zsjevilhex/iot/blob/master/route/tenda/tenda-01/Tenda.md
Source: cve@mitre.org
Broken Link Exploit Third Party Advisory
https://github.com/zsjevilhex/iot/blob/master/route/tenda/tenda-01/Tenda.md
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Exploit Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14558
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
76.8%
99th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-05-03

Weaknesses (CWE)

CWE-78 CWE-78

Affected Vendors

tenda

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