CVE-2025-71317

Summary

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.

Affected Software

Weaknesses

• CWE-798: Use of Hard-coded Credentials

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: total

References

• 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

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