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Vulnerability record · CVE-2023-51012 · published 22 December 2023

CVE-2023-51012: Totolink ex1800t firmware vulnerability

TTotolink · Ex1800t Firmware

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

9.8 CVSS 3.1 Critical EPSS 0.97% · top 39.6%
9.8CVSS 3.1 base score
0.97%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://815yang.github.io/2023/12/11/EX1800T/TOTOlinkEX1800T_V9.1.0cu.2112_B2022031setLanConfig-lanGateway/ ExploitThird Party Advisory
https://815yang.github.io/2023/12/11/EX1800T/TOTOlinkEX1800T_V9.1.0cu.2112_B2022031setLanConfig-lanGateway/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-34257Totolink ex1800t firmware improper authorization vulnerabilityTOTOLINK EX1800T V9.1.0cu.2112_B20220316 has a vulnerability in the apcliEncrypType parameter that allows unauthorized execution of arbitrary command…EPSS 3.8%9.8CVE-2023-52026Totolink ex1800t firmware os command injection vulnerabilityTOTOlink EX1800T V9.1.0cu.2112_B20220316 was discovered to contain a remote command execution (RCE) vulnerability via the telnet_enabled parameter of…EPSS 1.6%9.8CVE-2023-51011Totolink ex1800t firmware vulnerabilityTOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the lanPriDns parameter’ of the setLanConfig in…EPSS 0.97%9.8CVE-2023-51013Totolink ex1800t firmware vulnerabilityTOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the lanNetmask parameter’ of the setLanConfig i…EPSS 0.97%9.8CVE-2023-51014Totolink ex1800t firmware command injection vulnerabilityTOTOLINK EX1800T V9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the lanSecDns parameter’ of the setLanConfig in…EPSS 1.0%9.8CVE-2023-51015Totolink ex1800t firmware code injection vulnerabilityTOTOLINX EX1800T v9.1.0cu.2112_B20220316 is vulnerable to arbitrary command execution in the ‘enable parameter’ of the setDmzCfg interface of the cst…EPSS 1.0%9.8CVE-2023-51016Totolink ex1800t firmware command injection vulnerabilityTOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the setRebootScheCfg interface of the cstecgi .…EPSS 1.0%9.8CVE-2023-51017Totolink ex1800t firmware vulnerabilityTOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the lanIp parameter’ of the setLanConfig interf…EPSS 0.97%

Source: NIST National Vulnerability Database (record CVE-2023-51012), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.