Is CVE-2022-37843 actively exploited?

No active exploitation of CVE-2022-37843 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-37843 be exploited remotely?

Yes. CVE-2022-37843 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-37843?

CVE-2022-37843 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-37843

NVD-CWE-OtherPublished: September 6, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

In TOTOLINK A860R V4.1.2cu.5182_B20201027 in cstecgi.cgi, the acquired parameters are directly put into the system for execution without filtering, resulting in a command injection vulnerability.

NVD Source

Risk Analysis

The TOTOLINK A860R device is vulnerable to command injection because it fails to filter parameters passed to cstecgi.cgi. This allows remote attackers to execute arbitrary system commands.

There is no public exploit circulating for this vulnerability, and it is not included in the CISA KEV catalog.

Recommended Action

Update the device firmware to the latest available version to resolve the command injection flaw.

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-2022-37843 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.