Is CVE-2023-51026 actively exploited?

No active exploitation of CVE-2023-51026 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-51026 be exploited remotely?

Yes. CVE-2023-51026 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-51026?

CVE-2023-51026 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-51026

CRITICAL

CVE-2023-51026

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 ‘hour’ parameter of the setRebootScheCfg interface of the cstecgi .cgi.

NVD Source

Risk Analysis

The TOTOlink EX1800T router is vulnerable to arbitrary command execution via the hour parameter in its reboot configuration interface. This critical flaw enables remote attackers to execute unauthorized commands on the device.

No public exploit is known, and the vulnerability is not in the KEV catalog. It is remotely exploitable.

Recommended Action

Users should update the device firmware to the latest available version to patch this vulnerability.

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-2023-51026 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.