Linksys E2500 3.0.04.002 vsftpd Configuration File improper authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Linksys E2500 3.0.04.002. Impacted is an unknown function of the component vsftpd Configuration File Handler. This manipulation causes improper authorization. The identification of this vulnerability is CVE-2025-44654. The attack needs to be done within the local network. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Linksys E2500 3.0.04.002. Affected by this vulnerability is some unknown functionality of the component vsftpd Configuration File Handler. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In Linksys E2500 3.0.04.002, the chroot_local_user option is enabled in the vsftpd configuration file. This could lead to unauthorized access to system files, privilege escalation, or use of the compromised server as a pivot point for internal network attacks.

This vulnerability is known as CVE-2025-44654 since 04/22/2025. The exploitation appears to be easy. The attack can only be initiated within the local network. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/03/2026). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
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 authorization
CWE: CWE-285 / CWE-266
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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/22/2025 CVE reserved
07/21/2025 +90 days Advisory disclosed
07/21/2025 +0 days VulDB entry created
01/03/2026 +166 days VulDB entry last update

Sourcesinfo

Vendor: linksys.com

Status: Not defined

CVE: CVE-2025-44654 (🔒)
GCVE (CVE): GCVE-0-2025-44654
GCVE (VulDB): GCVE-100-317179

Entryinfo

Created: 07/21/2025 23:07
Updated: 01/03/2026 01:50
Changes: 07/21/2025 23:07 (53), 01/03/2026 01:50 (1)
Complete: 🔍
Cache ID: 216::103

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