NUT-14 up to 0.17.x improper validation of specified quantity in input

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in NUT-14 up to 0.17.x. Affected by this issue is some unknown functionality. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2025-65548. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in NUT-14 up to 0.17.x. It has been rated as problematic. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-1284. The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties. Impacted is availability. CVE summarizes:

NUT-14 allows cashu tokens to be created with a preimage hash. However, nutshell (cashubtc/nuts) before 0.18.0 do not validate the size of preimage when the token is spent. The preimage is stored by the mint and attacker can exploit this vulnerability to fill the mint's db nd disk with arbitrary data.

The advisory is shared for download at delvingbitcoin.org. This vulnerability is handled as CVE-2025-65548 since 11/18/2025. There are neither technical details nor an exploit publicly available.

Upgrading to version 0.18.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-201796). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper validation of specified quantity in input
CWE: CWE-1284 / CWE-703
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: NUT-14 0.18.0

Timelineinfo

11/18/2025 CVE reserved
12/08/2025 +20 days Advisory disclosed
12/08/2025 +0 days VulDB entry created
12/12/2025 +4 days VulDB entry last update

Sourcesinfo

Advisory: delvingbitcoin.org
Status: Confirmed

CVE: CVE-2025-65548 (🔒)
GCVE (CVE): GCVE-0-2025-65548
GCVE (VulDB): GCVE-100-334808
EUVD: 🔒

Entryinfo

Created: 12/08/2025 19:29
Updated: 12/12/2025 08:32
Changes: 12/08/2025 19:29 (51), 12/09/2025 00:54 (1), 12/12/2025 08:32 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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