CVE-2018-14558Actively exploitedAdded to KEV 2021-11-03

Tenda AC7, AC9, and AC10 Routers Command Injection Vulnerability

Tenda, AC7, AC9, and AC10 Routers

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.

CVSS severity for this advisory hasn't been enriched from NVD yet, check back shortly.

EPSS, exploit probability

Medium

8.5%

estimated chance of real-world exploitation in the next 30 days, higher than 95.0% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2022-05-03

CWE-78

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