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Totolink A8000RU EUVD-2026-25960

| CVE-2026-7203 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 - 01:31 vuln.today
EUVD ID Assigned
Apr 28, 2026 - 01:22 euvd
EUVD-2026-25960
Analysis Generated
Apr 28, 2026 - 01:22 vuln.today
CVE Published
Apr 28, 2026 - 01:16 nvd
HIGH 8.9

DescriptionNVD

A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable results in os command injection. The attack can be launched remotely. The exploit has been made public and could be used.

AnalysisAI

Remote command injection in Totolink A8000RU router firmware 7.1cu.643_b20200521 allows unauthenticated attackers to execute arbitrary OS commands with router privileges via the setUrlFilterRules CGI function. Public exploit code exists (CVSS:4.0 E:P indicator), significantly increasing exploitation risk. …

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RemediationAI

Within 24 hours: Audit network for Totolik A8000RU devices running firmware 7.1cu.643_b20200521 and isolate internet-facing instances from untrusted networks. Within 7 days: Contact Totolink support to confirm firmware update availability and timeline; implement network segmentation to restrict router admin access to trusted networks only. …

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EUVD-2026-25960 vulnerability details – vuln.today
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