CVE-2026-51696

CriticalCVSS 9.8/10Last modified Sep 1, 2026

Description

Incorrect access control in the setPortForwardRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to expose internal services via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-284

Affected software

No affected versions have been published.

Timeline

Published
Aug 31, 2026
Last modified
Sep 1, 2026
NVD status
Deferred

Related CVEs from 2026

CVE-2026-516979.1Incorrect access control in the setIptvCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter IPTV servCVE-2026-516989.1Incorrect access control in the setUrlFilterRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter brCVE-2026-516999.8Incorrect access control in the setDmzCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to expose an internCVE-2026-51705.3A user with access to the cluster with a limited set of privilege actions can trigger a crash of a mongod process during the limited and unpCVE-2026-517009.1Incorrect access control in the setWiFiAdvancedCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to degradeCVE-2026-517019.1Incorrect access control in the setMacFilterRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to change dCVE-2026-517024.3Incorrect access control in the setIpPortFilterRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alterCVE-2026-517035.4Incorrect access control in the setWiFiScheduleCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter wCVE-2026-517044.3Incorrect access control in the setWiFiMeshConfig function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter meCVE-2026-517059.8Incorrect access control in the setWiFiMeshName function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to rename mesCVE-2026-517064.3Incorrect access control in the setSmartQosCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to degrade traCVE-2026-517089.8Incorrect access control in the setWiFiWpsCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to change WPS a
CVE-2026-51696: Critical severity, CVSS 9.8 | Vulnix