CVE-2025-44655
TOTOLink vsftpd Chroot Local User Privilege Escalation Vulnerability
Description
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.
INFO
Published Date :
July 21, 2025, 4:15 p.m.
Last Modified :
Aug. 7, 2025, 5:58 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-44655
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Modify vsftpd.conf to disable chroot_local_user.
- Restart the vsftpd service after configuration changes.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-44655.
| URL | Resource |
|---|---|
| http://totolink.com | Broken Link |
| https://gist.github.com/TPCchecker/d7306649f51ca25e22dd6532546a58f3 | Broken Link |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-44655 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-44655
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-44655 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-44655 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Aug. 07, 2025
Action Type Old Value New Value Added CPE Configuration AND OR *cpe:2.3:o:totolink:a7100ru_firmware:7.4:*:*:*:*:*:*:* OR cpe:2.3:h:totolink:a7100ru:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:totolink:a950rg_firmware:5.9:*:*:*:*:*:*:* OR cpe:2.3:h:totolink:a950rg:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:totolink:t10_firmware:5.9:*:*:*:*:*:*:* OR cpe:2.3:h:totolink:t10:-:*:*:*:*:*:*:* Added Reference Type MITRE: http://totolink.com Types: Broken Link Added Reference Type MITRE: https://gist.github.com/TPCchecker/d7306649f51ca25e22dd6532546a58f3 Types: Broken Link -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 22, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-266 -
New CVE Received by [email protected]
Jul. 21, 2025
Action Type Old Value New Value Added Description 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. Added Reference http://totolink.com Added Reference https://gist.github.com/TPCchecker/d7306649f51ca25e22dd6532546a58f3