CVE-2023-43455
CWE-77Published: December 1, 2023· Updated: Jun 17, 2026
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 command parameter of the setting/setTracerouteCfg component.
Risk Analysis
This vulnerability in the TOTOLINK X6000R allows a remote attacker to execute arbitrary commands via the setting/setTracerouteCfg component. With a CVSS score of 9.8, this critical flaw poses a high risk as it requires no authentication or user interaction.
There is no known public exploit for this vulnerability, and it is not currently listed in CISA's KEV catalog. It is remotely exploitable due to its network-based vector and low attack complexity.
Users should update the TOTOLINK X6000R firmware to a version beyond those listed as affected.
Technical Analysis
CVE-2023-43455 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.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-77)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-43455 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts