CVE-2018-14558
Tenda AC7, AC9, and AC10 devices contain a command injection vulnerability due to the "formsetUsbUnload" function executes a dosystemCmd function…
Browse: All 2018 CVEs · All vendors
- CISA KEV
- Yes — actively exploited (added 2021-11-03, remediation due 2022-05-03)
- Weakness (CWE)
- CWE-78
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.
Affected products
- Tenda AC7, AC9, and AC10 Routers
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply updates per vendor instructions. Federal remediation deadline: 2022-05-03.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.
FAQ
Is CVE-2018-14558 actively exploited?
Yes. CISA added CVE-2018-14558 to its Known Exploited Vulnerabilities (KEV) catalog on 2021-11-03, with a federal remediation deadline of 2022-05-03. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2018-14558?
CVE-2018-14558 has no published CVSS base score yet — NVD analysis can lag disclosure. Check the vendor references for an interim severity.
Related vulnerabilities
- CVE-2021-31755 — Tenda AC11 Router
- CVE-2020-10987 — Tenda AC1900 Router AC15 Model
- CVE-2026-73570 — Synacor Zimbra Collaboration Suite (ZCS)
- CVE-2026-16812 — Arista VeloCloud Orchestrator
- CVE-2026-25089 — Fortinet FortiSandbox
- CVE-2026-39808 — Fortinet FortiSandbox
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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