CVE-2026-51632

Deferred Deferred - Pending Action

Incorrect Access Control in TOTOLINK T6 Firmware

Publication date: 2026-08-28

Last updated on: 2026-08-28

Assigner: MITRE

Description

Incorrect access control in the getWiFiAdvancedCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain advanced wireless settings via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-28

Last Modified

2026-08-28

Generated

2026-08-29

AI Q&A

2026-08-29

EPSS Evaluated

N/A

NVD

CVE-2026-51632

EUVD

EUVD-2026-67892

Affected Vendors & Products

Vendor	Product	Version / Range
totolink	t6	4.1.5cu.748_b20211015

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is an incorrect access control issue in the getWiFiAdvancedCfg function of TOTOLINK T6 firmware version 4.1.5cu.748_B20211015. It allows unauthenticated attackers to retrieve advanced wireless settings by sending a specially crafted POST request to the vulnerable endpoint /cgi-bin/cstecgi.cgi.

Detection Guidance

To detect this vulnerability, monitor network traffic for POST requests to /cgi-bin/cstecgi.cgi with parameters targeting getWiFiAdvancedCfg. Check logs for unauthorized access attempts to wireless settings.

Impact Analysis

An attacker could exploit this to gain unauthorized access to sensitive wireless network configurations, potentially exposing network credentials or allowing further attacks on the network. This could lead to data breaches or unauthorized network access.

Mitigation Strategies

Immediately update TOTOLINK T6 firmware to the latest version. Disable remote access to the web interface if not required. Restrict network access to the device via firewall rules.

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