Is CVE-2018-14558 actively exploited?

Yes. CVE-2018-14558 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2018-14558 be exploited remotely?

The attack vector of CVE-2018-14558 has not been classified yet.

What is the CVSS score of CVE-2018-14558?

CVE-2018-14558 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2018-14558

HIGHCISA KEVIN THE WILD

CVE-2018-14558

Published: November 3, 2021

EPSS:75.56%probability of exploitation in 30 daysPercentile:98.9th

Official Description

Tenda AC7, AC9, and AC10 devices contain a command injection vulnerability due to the "formsetUsbUnload" function executes a dosystemCmd function with untrusted input. Successful exploitation allows an attacker to execute OS commands via a crafted goform/setUsbUnload request.

NVD Source

CISA KEV Advisory

Tenda AC7, AC9, and AC10 Routers Command Injection Vulnerability

Added to KEV: 2021-11-03Federal patch deadline: 2022-05-03

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

Tenda AC7, AC9, and AC10 devices are vulnerable to command injection due to untrusted input in the "formsetUsbUnload" function, allowing attackers to execute OS commands. The high EPSS score of 0.75562 indicates a significant likelihood of exploitation, and its presence in CISA's KEV confirms active exploitation, making this a critical issue.

This vulnerability is actively being exploited in the wild, as confirmed by its inclusion in CISA's KEV. It is remotely exploitable due to the nature of the web request.

Recommended Action

Users of Tenda AC7, AC9, and AC10 devices should update their firmware to the latest secure versions to mitigate the command injection vulnerability.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2018-14558 requires local access, meaning attackers must already have a foothold on the target system.

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

CISA has added CVE-2018-14558 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.