CVE-2026-118238: Tenda W18E · OS Command Injection
Affects Tenda W18ESource CVE Database V5
Not known to be exploited.
Data as of 30 Oct 2026, 16:18 UTC
Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD
Thin evidence
One scorer or noneExploitation evidence
Disclosed: evidence found.
CVE published 30 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| TendaW18E | Affected
| Fixed in– |
AI-suggested
Users should avoid exposing the device management interface to untrusted networks, especially during factory-reset states. Monitor vendor advisories for updates and apply any future patches promptly. Consider restricting access to the device's web management interface until a fix is available.
Description
The Tenda W18E router's web management server has an OS command injection vulnerability in its 'diagnose' packet-capture feature. This flaw arises from improper validation of JSON fields, allowing an attacker to inject shell metacharacters into the protocol or targetDevice parameters. Exploitation results in execution of arbitrary commands with root privileges. Notably, the vulnerability can be exploited without authentication if the device is in a factory-reset state.