Is CVE-2017-9138 actively exploited?

No active exploitation of CVE-2017-9138 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-9138 be exploited remotely?

Partially. CVE-2017-9138 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2017-9138?

CVE-2017-9138 has a CVSS score of 8.0 (HIGH).

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HIGH

CVE-2017-9138

CWE-119Published: May 21, 2017· Updated: Jun 17, 2026

8.0

CVSS v3.1

Official Description

There is a debug-interface vulnerability on some Tenda routers (FH1202/F1202/F1200: versions before 1.2.0.20). After connecting locally to a router in a wired or wireless manner, one can bypass intended access restrictions by sending shell commands directly and reading their results, or by entering shell commands that change this router's username and password.

NVD Source

Technical Analysis

CVE-2017-9138 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.0.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.