High severity · published Jul 26, 2025
CVE-2025-8181
TOTOLINK N600R/X2000R FTP Service vsftpd.conf least privilege violation
7.2
CVSS
1.1%
EPSS
No
On KEV
Description
A vulnerability, which was classified as critical, was found in TOTOLINK N600R and X2000R 1.0.0.1. This affects an unknown part of the file vsftpd.conf of the component FTP Service. The manipulation leads to least privilege violation. It is possible to initiate the attack remotely.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
N6
N600R · TOTOLINK
1.0.0.1 · source: vendor
X2
X2000R · TOTOLINK
1.0.0.1 · source: vendor
NF
N600r Firmware · Totolink
4.3.0 · source: NVD
XF
X2000r Firmware · Totolink
1.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-8181
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-8181
Permissions Required
https://vuldb.com/?ctiid.317595
Third Party Advisory
https://vuldb.com/?id.317595
Third Party Advisory
https://vuldb.com/?submit.621966
Third Party Advisory
https://vuldb.com/?submit.621968
Exploit
https://www.notion.so/23a54a1113e780c08f3acca6a746d732
Product
https://www.totolink.net/
More from N600R
9.8
CVE-2025-9935
TOTOLINK N600R cstecgi.cgi sub_4159F8 command injection
9.8
CVE-2025-4496
TOTOLINK T10/A3100R/A950RG/A800R/N600R/A3000RU/A810R cstecgi.cgi CloudACMunualUpdate buffer overflow