AEGLIX vulnerability intelligence
CVE-2018-14558
CRITICAL · CVSS 9.8 · Analyzed
Published: 2018-10-30 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 9.8 · CRITICAL
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-78
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Tenda · AC7, AC9, and AC10 Routers
- Added to catalog
- 2021-11-03
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2022-05-03
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:tenda:ac7_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 15.03.06.44_cn
cpe:2.3:o:tenda:ac9_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 15.03.05.19\(6318\)_cn
cpe:2.3:o:tenda:ac10_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 15.03.06.23_cn
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- https://github.com/zsjevilhex/iot/blob/master/route/tenda/tenda-01/Tenda.md
Broken Link · Exploit · Third Party Advisory
- https://github.com/zsjevilhex/iot/blob/master/route/tenda/tenda-01/Tenda.md
Broken Link · Exploit · Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14558
US Government Resource