Is CVE-2023-51022 actively exploited?

No active exploitation of CVE-2023-51022 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-51022 be exploited remotely?

Yes. CVE-2023-51022 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-51022?

CVE-2023-51022 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-51022

CRITICAL

CVE-2023-51022

NVD-CWE-noinfoPublished: December 22, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘langFlag’ parameter of the setLanguageCfg interface of the cstecgi .cgi.

NVD Source

Risk Analysis

This vulnerability allows for unauthorized arbitrary command execution via the langFlag parameter in the setLanguageCfg interface. Given the critical CVSS score of 9.8, this flaw poses a severe risk to device integrity. It is remotely exploitable with low complexity, requiring no authentication.

There is no known public exploit for this vulnerability, and it is not currently listed in the CISA KEV catalog.

Recommended Action

Users should update the firmware of the TOTOLink EX1800T to the latest available version to address this 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-2023-51022 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.