TOTOLINK A7100RU/A950RG/T10 System File vsftpd.conf chroot_local_user 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, which was classified as critical, has been found in TOTOLINK A7100RU, A950RG and T10. Impacted is an unknown function of the file vsftpd.conf of the component System File Handler. Performing a manipulation of the argument chroot_local_user results in improper authorization. This vulnerability is reported as CVE-2025-44655. The attacker must have access to the local network to execute the attack. No exploit exists.

Detailsinfo

A vulnerability was found in TOTOLINK A7100RU, A950RG and T10 (affected version unknown). It has been classified as critical. This affects an unknown functionality of the file vsftpd.conf of the component System File Handler. The manipulation of the argument chroot_local_user with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In TOTOLink A7100RU V7.4, A950RG V5.9, and T10 V5.9, the chroot_local_user option is enabled in the vsftpd.conf. 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 uniquely identified as CVE-2025-44655 since 04/22/2025. The exploitability is told to be easy. The attack can only be done within the local network. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/08/2025). MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

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: totolink.net

Status: Not defined

CVE: CVE-2025-44655 (🔒)
GCVE (CVE): GCVE-0-2025-44655
GCVE (VulDB): GCVE-100-317157

Entryinfo

Created: 07/21/2025 19:31
Updated: 08/08/2025 05:56
Changes: 07/21/2025 19:31 (53), 08/08/2025 05:56 (1)
Complete: 🔍
Cache ID: 216::103

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