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Fencer Vulns
high 7.2

CVE-2025-8181 json

TOTOLINK N600R/X2000R FTP Service vsftpd.conf least privilege violation

published 2025-07-26 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-22784

cvss
7.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
15 mo ago

Exploit prediction

1.12% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • notion.so https://www.notion.so/23a54a1113e780c08f3acca6a746d732 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X
CNA 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
CNA 3.0 7.2 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
CNA 2.0 8.3 AV:N/AC:L/Au:M/C:C/I:C/A:C/E:ND/RL:ND/RC:UR
CNA 4.0 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA 2.0 8.3 AV:N/AC:L/Au:M/C:C/I:C/A:C

Affected products

  • TOTOLINK N600R
  • TOTOLINK X2000R

Classification

Weakness
  • CWE-272 Least Privilege Violation
  • CWE-266 Incorrect Privilege Assignment

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.