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CVE-2026-6114 - Vulnerability Analysis

CriticalCVSS: 9.8

Last Updated: April 13, 2026

Totolink A7100RU - Command Injection

Published: April 12, 2026Updated: April 13, 2026Remote Exploitable

Overview

Totolink A7100RU 7.4cu.2313_b20191024 contains a command injection caused by manipulation of the "proto" argument in /cgi-bin/cstecgi.cgi setNetworkCfg function, letting remote attackers execute arbitrary OS commands, exploit requires no special privileges.

Severity & Score

Severity: Critical

CVSS Score: 9.8

EPSS Score: 89.2%(Probability of exploitation in next 30 days)

Impact

Remote attackers can execute arbitrary OS commands, potentially taking full control of the device.

Mitigation

Update to the latest version or apply vendor patches addressing this issue.

References

Social Media Activity(2 posts)

TheHackerWire

@thehackerwire

Apr 12, 2026

🔴 CVE-2026-6114 - Critical (9.8) A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setNetworkCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument proto results in o... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-6114/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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OffSequence

@offseq

Apr 12, 2026

Totolink A7100RU (7.4cu.2313_b20191024) faces a CRITICAL OS command injection (CVE-2026-6114, CVSS 9.3). Remote, unauthenticated code execution possible. No patch yet — disable remote mgmt & watch for updates. https://radar.offseq.com/threat/cve-2026-6114-os-command-injection-in-totolink-a71-384165a1 #OffSeq #CVE20266114 #Vuln #RouterSecurity

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Related Resources

Details

CVE ID: CVE-2026-6114
Severity: Critical
CVSS Score: 9.8
Type: command_injection
Status: unconfirmed
EPSS: 89.2%
Social Posts: 2

CWE

CWE-77

CVSS Metrics

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

EPSS Score

89.2%Probability of exploitation in the next 30 days