Improper Authorization in Nutzam NutzBoot Transaction API
CVE-2025-13806

6.9MEDIUM

Key Information:

Vendor

Nutzam

Status
Nutzboot
Vendor
CVE Published:
1 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-13806?

A security vulnerability in Nutzam's NutzBoot up to version 2.6.0-SNAPSHOT affects the Transaction API within the EthModule. This flaw allows an attacker to manipulate arguments related to token conversion, specifically from/to wei, potentially leading to unauthorized access. The vulnerability makes it possible for remote exploitation, wherein attackers could execute unauthorized transactions given the improper authorization control. This issue has been publicly disclosed, highlighting the urgency for users to take necessary precautions.

Affected Version(s)

NutzBoot 2.6.0-SNAPSHOT

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-13806 - Proof of Concept

References

https://vuldb.com/?id.333816
vdb-entrytechnical-description
https://vuldb.com/?ctiid.333816
signaturepermissions-required
https://vuldb.com/?submit.692061
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

sh7err03 (VulDB User)
JSON
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CVE-2025-13806 : Improper Authorization in Nutzam NutzBoot Transaction API