Linksys EA6350 2.1.2 Configuration File chroot_local_user improper authorization

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

Summaryinfo

A vulnerability labeled as critical has been found in Linksys EA6350 2.1.2. This affects an unknown function of the component Configuration File Handler. Such manipulation of the argument chroot_local_user leads to improper authorization. This vulnerability is listed as CVE-2025-44657. The attack must be carried out from within the local network. There is no available exploit.

Detailsinfo

A vulnerability was found in Linksys EA6350 2.1.2 and classified as critical. Affected by this issue is an unknown part of the component Configuration File Handler. The manipulation of the argument chroot_local_user with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In Linksys EA6350 V2.1.2, the chroot_local_user option is enabled in the dynamically generated 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 handled as CVE-2025-44657 since 04/22/2025. The exploitation is known to be easy. The attack needs to be done within the local network. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/08/2025). This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

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 EUVD (EUVD-2025-22098). If you want to get best quality of vulnerability data, you may have to visit VulDB.

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
08/08/2025 +18 days VulDB entry last update

Sourcesinfo

Vendor: linksys.com

Status: Not defined

CVE: CVE-2025-44657 (🔒)
GCVE (CVE): GCVE-0-2025-44657
GCVE (VulDB): GCVE-100-317138
EUVD: 🔒

Entryinfo

Created: 07/21/2025 17:56
Updated: 08/08/2025 05:56
Changes: 07/21/2025 17:56 (54), 07/21/2025 18:40 (1), 08/08/2025 05:56 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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