Privilege escalation in Totolink N600r
CVE-2025-8181
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (59.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.000
Affected products
- Totolink N600r — versions 1.0.0.1
- Totolink N600r Firmware — versions 4.3.0
- Totolink X2000r — versions 1.0.0.1
- Totolink X2000r Firmware — versions 1.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- www.notion.so/23a54a1113e780c08f3acca6a746d732 (related, Exploit, Third Party Advisory)
- www.totolink.net/ (Product, product)
Frequently asked questions
- What is CVE-2025-8181?
- CVE-2025-8181 is a high-severity vulnerability in Totolink N600r, classified under Incorrect Privilege Assignment. CVSS score: 7.2/10. Published 2025-07-26.
- How severe is CVE-2025-8181?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2025-8181 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.