Is CVE-2023-43453 actively exploited?

No active exploitation of CVE-2023-43453 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-43453 be exploited remotely?

Yes. CVE-2023-43453 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-43453?

CVE-2023-43453 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-43453

CWE-77Published: December 1, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

An issue in TOTOLINK X6000R V9.4.0cu.652_B20230116 and V9.4.0cu.852_B20230719 allows a remote attacker to execute arbitrary code via the IP parameter of the setDiagnosisCfg component.

NVD Source

Risk Analysis

The TOTOLINK X6000R contains a critical flaw in the setDiagnosisCfg component that allows remote, unauthenticated attackers to execute arbitrary code. This vulnerability is rated 9.8 on the CVSS scale, indicating a severe risk to device integrity.

There is no evidence of public exploitation or inclusion in the KEV database. The vulnerability is remotely exploitable and features low attack complexity.

Recommended Action

Ensure the device firmware is updated to a version that addresses 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-2023-43453 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.