CVE-2026-118238
The Tenda W18E web management server is vulnerable to OS command injection via the "diagnose"…
- Risk score
- 43/100
- CVSS
- 7.2 v3.1
- Published
- 30 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- The Tenda W18E web management server is vulnerable to OS command injection via the "diagnose" packet-capture feature due to improper validation of JSON fields. An authenticated user can inject shell metacharacters into the protocol or targetDevice fields, which are later concatenated into a tcpdump command and execute…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.2 high
References
Original description
The Tenda W18E web management server is vulnerable to OS command injection via the "diagnose" packet-capture feature due to improper validation of JSON fields. An authenticated user can inject shell metacharacters into the protocol or targetDevice fields, which are later concatenated into a tcpdump command and executed with root privileges. This vulnerability can be exploited without authentication if the device is in a factory-reset state.
Last activity 30 Oct 2026. Patch Forecast updates every hour.