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CVE-2025-8181

TOTOLINK N600r Firmware privilege escalation

7.2 HIGHPublic exploitEPSS 0.95%
  1. Published26 Jul 2025

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

TOTOLINK N600r Firmware4.3.0
TOTOLINK X2000r Firmware1.0.0

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2025-8181 being actively exploited?

CVE-2025-8181 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.95%.

How severe is CVE-2025-8181?

CVE-2025-8181 has a CVSS 3.1 base score of 7.2, rated high. EPSS estimates a 0.95% probability of exploitation.

Which products are affected by CVE-2025-8181?

Affected products include TOTOLINK N600r Firmware, TOTOLINK X2000r Firmware.

How do I fix CVE-2025-8181?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-8181 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.