Is CVE-2022-42166 actively exploited?

No active exploitation of CVE-2022-42166 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-42166 be exploited remotely?

Yes. CVE-2022-42166 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-42166?

CVE-2022-42166 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-42166

CWE-787Published: October 17, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Tenda AC10 V15.03.06.23 contains a Stack overflow vulnerability via /goform/formSetSpeedWan.

NVD Source

Risk Analysis

A stack overflow vulnerability in Tenda AC10 firmware allows remote attackers to exploit the WAN speed configuration. This is a critical vulnerability that could lead to full device compromise.

No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable with low attack complexity.

Recommended Action

Update to the latest firmware version provided by Tenda. Implement network-level access controls to restrict management access.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-42166 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

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 9.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.