CVE-2026-5677

| EUVD-2026-19436 MEDIUM
2026-04-06 VulDB
6.9
CVSS 4.0
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CVSS Vector

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

4
PoC Detected
Apr 07, 2026 - 13:20 vuln.today
Public exploit code
Analysis Generated
Apr 06, 2026 - 19:00 vuln.today
EUVD ID Assigned
Apr 06, 2026 - 19:00 euvd
EUVD-2026-19436
CVE Published
Apr 06, 2026 - 18:30 nvd
MEDIUM 6.9

Tags

Command Injection

Description

A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function CsteSystem of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument resetFlags results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

Analysis

Remote command injection in Totolink A7100RU firmware 7.4cu.2313_b20191024 allows unauthenticated attackers to execute arbitrary OS commands via manipulation of the resetFlags parameter in the CsteSystem function (/cgi-bin/cstecgi.cgi). Publicly available exploit code exists for this vulnerability, which achieves a CVSS 6.9 score with low confidentiality, integrity, and availability impact across multiple scopes.

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Priority Score

54
Low Medium High Critical
KEV: 0
EPSS: +2.4
CVSS: +34
POC: +20

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CVE-2026-5677 vulnerability details – vuln.today
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