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Vulnerability record · CVE-2025-2097 · published 7 March 2025

CVE-2025-2097: Totolink ex1800t firmware memory buffer overflow vulnerability

TTotolink · Ex1800t Firmware

A vulnerability, which was classified as critical, has been found in TOTOLINK EX1800T 9.1.0cu.2112_B20220316. This issue affects the function setRptWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument loginpass leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

8.7 CVSS 4.0 High EPSS 7.2% · top 5.9% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
8.7CVSS 4.0 base score, v2 9.0
7.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability, which was classified as critical, has been found in TOTOLINK EX1800T 9.1.0cu.2112_B20220316. This issue affects the function setRptWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument loginpass leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

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

References

LinkTags
https://github.com/kn0sky/cve/blob/main/TOTOLINK%20EX1800T/Stack-based%20Buffer%20Overflow%2001%20setRptWizardCfg-_login ExploitThird Party Advisory
https://vuldb.com/?ctiid.298955 Permissions RequiredVDB Entry
https://vuldb.com/?id.298955 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.515326 Third Party AdvisoryVDB Entry
https://www.totolink.net/ Product
https://github.com/kn0sky/cve/blob/main/TOTOLINK%20EX1800T/Stack-based%20Buffer%20Overflow%2001%20setRptWizardCfg-_login 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-2023-51012Totolink ex1800t firmware vulnerabilityTOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the lanGateway parameter’ of the setLanConfig i…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%

Source: NIST National Vulnerability Database (record CVE-2025-2097), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.