VDB-293073 · CVE-2025-0638 · Nessus 214859

NLnet Labs Routinator improper validation of syntactic correctness of input

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in NLnet Labs Routinator. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in improper validation of syntactic correctness of input. This vulnerability was named CVE-2025-0638. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in NLnet Labs Routinator (the affected version is unknown). It has been classified as critical. This affects an unknown code. The manipulation with an unknown input leads to a improper validation of syntactic correctness of input vulnerability. CWE is classifying the issue as CWE-1286. The product receives input that is expected to be well-formed - i.e., to comply with a certain syntax - but it does not validate or incorrectly validates that the input complies with the syntax. This is going to have an impact on availability. The summary by CVE is:

The initial code parsing the manifest did not check the content of the file names yet later code assumed that it was checked and panicked when encountering illegal characters, resulting in a crash of Routinator.

The weakness was presented by Haya Schulmann and Niklas Vogel. The advisory is shared at nlnetlabs.nl. This vulnerability is uniquely identified as CVE-2025-0638 since 01/22/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 214859 (Fedora 41 : rust-routinator (2025-bbabead4d7)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (214859). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

NLnet Labs

Name

Routinator

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (NLnet Labs): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper validation of syntactic correctness of input
CWE: CWE-1286 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 214859
Nessus Name: Fedora 41 : rust-routinator (2025-bbabead4d7)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/22/2025 🔍
01/22/2025 +0 days 🔍
01/22/2025 +0 days 🔍
02/01/2025 +10 days 🔍

Sourcesinfo

Advisory: nlnetlabs.nl
Researcher: Haya Schulmann, Niklas Vogel
Status: Confirmed

CVE: CVE-2025-0638 (🔍)
GCVE (CVE): GCVE-0-2025-0638
GCVE (VulDB): GCVE-100-293073

Entryinfo

Created: 01/22/2025 17:42
Updated: 02/01/2025 10:03
Changes: 01/22/2025 17:42 (61), 02/01/2025 10:03 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.