CVE-2023-51018
NVD-CWE-noinfoPublished: December 22, 2023· Updated: Jun 17, 2026
Official Description
TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘opmode’ parameter of the setWiFiApConfig interface of the cstecgi .cgi.
Risk Analysis
A critical vulnerability allows for unauthorized arbitrary command execution through the opmode parameter in the setWiFiApConfig interface. With a CVSS score of 9.8, this flaw is highly dangerous as it is remotely exploitable without requiring any user interaction or authentication.
No public exploit is currently circulating, and the vulnerability is not present in the CISA KEV.
Users should upgrade to the latest firmware version released by the manufacturer to resolve this issue.
Technical Analysis
CVE-2023-51018 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 (NVD-CWE-noinfo)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-51018 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts