How severe is CVE-2025-35021?

CVE-2025-35021 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-35021 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-35021?

CVE-2025-35021 affects Antek Abilis Cpx Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-35021?

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

Does CVE-2025-35021 have an EU (EUVD) identifier?

Yes. CVE-2025-35021 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37731.

When was CVE-2025-35021 published?

CVE-2025-35021 was published on 2025-11-04 and last updated on 2026-06-17.

CVE-2025-35021

CVE-2025-35021 is a medium-severity vulnerability in Antek Abilis Cpx Firmware with a CVSS 3.x base score of 6.5. 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-1188.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37731
Weakness: CWE-1188
Affected product: Antek Abilis Cpx Firmware
Published: 2025-11-04
Last modified: 2026-06-17

Description

By failing to authenticate three times to an unconfigured Abilis CPX device via SSH, an attacker can login to a restricted shell on the fourth attempt, and from there, relay connections.

Frequently asked questions

What is CVE-2025-35021?: By failing to authenticate three times to an unconfigured Abilis CPX device via SSH, an attacker can login to a restricted shell on the fourth attempt, and from there, relay connections.
How severe is CVE-2025-35021?: CVE-2025-35021 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-35021 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-35021?: CVE-2025-35021 affects Antek Abilis Cpx Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-35021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-35021 have an EU (EUVD) identifier?: Yes. CVE-2025-35021 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37731.
When was CVE-2025-35021 published?: CVE-2025-35021 was published on 2025-11-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:antek:abilis_cpx_firmware:*:*:*:*:*:*:*:*

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