How severe is CVE-2025-9581?

CVE-2025-9581 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-9581 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-9581?

CVE-2025-9581 affects Comfast Cf-n1 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-9581?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-9581 have an EU (EUVD) identifier?

Yes. CVE-2025-9581 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26131.

When was CVE-2025-9581 published?

CVE-2025-9581 was published on 2025-08-28 and last updated on 2026-06-17.

CVE-2025-9581

CVE-2025-9581 is a medium-severity vulnerability in Comfast Cf-n1 Firmware with a CVSS 3.x base score of 6.3. 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-77.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26131
Weakness: CWE-77
Affected product: Comfast Cf-n1 Firmware
Published: 2025-08-28
Last modified: 2026-06-17

Description

A vulnerability was detected in Comfast CF-N1 2.6.0. This impacts the function multi_pppoe of the file /usr/bin/webmgnt. Performing manipulation of the argument phy_interface results in command injection. The attack may be initiated remotely. The exploit is now public and may be used.

Frequently asked questions

What is CVE-2025-9581?: A vulnerability was detected in Comfast CF-N1 2.6.0. This impacts the function multi_pppoe of the file /usr/bin/webmgnt. Performing manipulation of the argument phy_interface results in command injection. The attack may be initiated remotely. The exploit is now public and may be used.
How severe is CVE-2025-9581?: CVE-2025-9581 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-9581 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-9581?: CVE-2025-9581 affects Comfast Cf-n1 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-9581?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-9581 have an EU (EUVD) identifier?: Yes. CVE-2025-9581 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26131.
When was CVE-2025-9581 published?: CVE-2025-9581 was published on 2025-08-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:comfast:cf-n1_firmware:2.6.0:*:*:*:*:*:*:*

More vulnerabilities in Comfast Cf-n1 Firmware

CVE-2026-2535 — Medium (CVSS 6.3): A vulnerability was found in Comfast CF-N1 V2 2.6.0.2. The impacted element is the function sub_44AB9C of the file…
CVE-2026-2534 — Medium (CVSS 6.3): A vulnerability has been found in Comfast CF-N1 V2 2.6.0.2. The affected element is the function sub_44AC4C of the file…
CVE-2025-9586 — Medium (CVSS 6.3): A vulnerability was identified in Comfast CF-N1 2.6.0. This vulnerability affects the function wireless_device_dissoc…
CVE-2025-9585 — Medium (CVSS 6.3): A vulnerability was determined in Comfast CF-N1 2.6.0. This affects the function wifilith_delete_pic_file of the file…
CVE-2025-9584 — Medium (CVSS 6.3): A vulnerability was found in Comfast CF-N1 2.6.0. Affected by this issue is the function update_interface_png of the…
CVE-2025-9583 — Medium (CVSS 6.3): A vulnerability has been found in Comfast CF-N1 2.6.0. Affected by this vulnerability is the function ping_config of…

All CVEs affecting Comfast Cf-n1 Firmware →

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