CVE-2018-14558
CriticalActively exploited (CISA KEV)
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductTenda AC7, AC9, and AC10 Routers
PublishedOct 30, 2018
First seenOct 30, 2018
Added to KEVNov 3, 2021
Weakness typeCWE-78OS command injection
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: May 3, 2022Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tenda ac10_firmware | v ≤ 15.03.06.23_cn | — |
| tenda ac7_firmware | v ≤ 15.03.06.44_cn | — |
| tenda ac9_firmware | v ≤ 15.03.05.19\(6318\)_cn | — |
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