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Home / CVE DB / CVE-2026-5854
Standard
Vulnerability Identifier

CVE-2026-5854

2026-04-09
Severity Assessment
9.8
CRITICAL
CVSS v3.x Score
Clinical Analysis (Description)

A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument merge results in os command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.

Vector Sequencing

Attack Parameters

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Impact Consequences

Technical Impact

Unchanged
Scope
High
Confidentiality
High
Integrity
High
Availability
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2 Score (Legacy)
10.0

For backward compatibility

EPSS Probability
0.32%

Percentile: 54.7%

Weakness Classification

CWE-CWE-77

View CWE Details ↗
Timeline

Time Line

PUBLICATION
09 Apr 2026
MODIFICATION
27 Apr 2026
Impact Statistics

Key Metrics

CVSS Score
9.8
CRITICAL
Remediation Protocol

Recommended Solution

No automatic solution found. Check vendor references.
Patch Library
No direct patch listed in database.
Recommended Actions for Administrators

Immediate Action Plan

1. Inventory

Identify all affected systems in your infrastructure.

2. Assessment

Assess exposure and criticality for your organization.

3. Mitigation

Apply patches or available workarounds.

4. Verification

Test and confirm effectiveness of applied measures.

⚠️ MAXIMUM PRIORITY - Immediate action required

Sources & Bibliography
NIST NVD MITRE CVE External Reference ↗ External Reference ↗ External Reference ↗ External Reference ↗ External Reference ↗