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Totolink A7100RU CVE-2026-5678

| EUVD-2026-19462 MEDIUM
OS Command Injection (CWE-78)
2026-04-06 VulDB GHSA-h49p-xq2j-gmrw
Command Injection
5.5
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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
CVSS changed
Apr 29, 2026 - 01:11 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)
PoC Detected
Apr 07, 2026 - 13:20 vuln.today
Public exploit code
EUVD ID Assigned
Apr 06, 2026 - 19:00 euvd
EUVD-2026-19462
Analysis Generated
Apr 06, 2026 - 19:00 vuln.today
CVE Published
Apr 06, 2026 - 18:45 nvd
MEDIUM 6.9

DescriptionNVD

A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument mode can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

AnalysisAI

OS command injection in Totolink A7100RU firmware version 7.4cu.2313_b20191024 allows unauthenticated remote attackers to execute arbitrary commands via manipulation of the mode parameter in the setScheduleCfg function of /cgi-bin/cstecgi.cgi. Publicly available exploit code exists for this vulnerability, creating immediate risk for exposed devices.

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CVE-2026-5678 vulnerability details – vuln.today
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