How severe is CVE-2025-8181?

CVE-2025-8181 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-8181 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8181?

CVE-2025-8181 primarily affects Totolink N600r Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-8181?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-8181 have an EU (EUVD) identifier?

Yes. CVE-2025-8181 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22784.

When was CVE-2025-8181 published?

CVE-2025-8181 was published on 2025-07-26 and last updated on 2026-06-17.

CVE-2025-8181

CVE-2025-8181 is a high-severity vulnerability in Totolink N600r Firmware with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-266.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 8.3
CVSS v4: 8.6
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22784
Weakness: CWE-266
Affected product: Totolink N600r Firmware
Published: 2025-07-26
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-8181?: CVE-2025-8181 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-8181 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8181?: CVE-2025-8181 primarily affects Totolink N600r Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-8181?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-8181 have an EU (EUVD) identifier?: Yes. CVE-2025-8181 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22784.
When was CVE-2025-8181 published?: CVE-2025-8181 was published on 2025-07-26 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:totolink:n600r_firmware:4.3.0:*:*:*:*:*:*:*
cpe:2.3:o:totolink:x2000r_firmware:1.0.0:*:*:*:*:*:*:*

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