CVE-2025-71317

NetMan 204 contains a hard-coded backdoor account with the username and password 'eurek' that grants administrative access. A remote, unauthenticated attacker can authenticate through the cgi-bin/login.cgi endpoint (for example /cgi-bin/login.cgi?username=eurek&password=eurek, which due to lax parameter validation can be shortened to /cgi-bin/login.cgi?username=eurek%20eurek) to obtain administrator privileges, allowing them to alter device configuration, enable the telnet/SSH services, and reset local user credentials.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.exploit-db.com/exploits/52183
https://www.riello-ups.com/downloads/25-netman-204
https://www.vulncheck.com/advisories/netman-204-hard-coded-backdoor-credentials

Configurations

No configuration.

History

05 Jun 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-05 18:16

Updated : 2026-06-05 19:02

NVD link : CVE-2025-71317

Mitre link : CVE-2025-71317

CVE.ORG link : CVE-2025-71317

JSON object : View

Products Affected

No product.

CWE

CWE-798

Use of Hard-coded Credentials

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