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Totolink A8000RU CVE-2026-7241

| EUVD-2026-26014 HIGH
Command Injection (CWE-77)
2026-04-28 cna@vuldb.com
Command Injection
8.9
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

5
Re-analysis Queued
Apr 28, 2026 - 20:38 vuln.today
cvss_changed
Analysis Generated
Apr 28, 2026 - 09:30 vuln.today
EUVD ID Assigned
Apr 28, 2026 - 09:22 euvd
EUVD-2026-26014
Analysis Generated
Apr 28, 2026 - 09:22 vuln.today
CVE Published
Apr 28, 2026 - 09:16 nvd
HIGH 8.9

DescriptionNVD

A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument wifiOff results in os command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used.

AnalysisAI

Remote command injection in Totolink A8000RU firmware 7.1cu.643_b20200521 allows unauthenticated attackers to execute arbitrary OS commands via the wifiOff parameter in setWiFiBasicCfg function. The vulnerability has a publicly available exploit (PoC on GitHub) and achieves full system compromise with network-accessible attack vector requiring no authentication or user interaction. …

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RemediationAI

Within 24 hours: Identify all Totolink A8000RU devices running firmware 7.1cu.643_b20200521 using network discovery tools and isolate from production networks if possible. Within 7 days: Check Totolink support portal for firmware updates beyond 7.1cu.643_b20200521 and apply immediately to all identified devices; if no newer firmware is available, consider manufacturer end-of-life status and replacement timeline. …

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CVE-2026-7241 vulnerability details – vuln.today
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