How severe is CVE-2025-35983?

CVE-2025-35983 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2025-35983 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-35983?

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

Does CVE-2025-35983 have an EU (EUVD) identifier?

Yes. CVE-2025-35983 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20886.

When was CVE-2025-35983 published?

CVE-2025-35983 was published on 2025-07-10 and last updated on 2026-06-17.

CVE-2025-35983

CVE-2025-35983 is a medium-severity vulnerability 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20886
Weakness: CWE-295
Published: 2025-07-10
Last modified: 2026-06-17

Description

Improper Certificate Validation (CWE-295) in the Controller 7000 OneLink implementation could allow an unprivileged attacker to perform a limited denial of service or perform privileged overrides during the initial configuration of the Controller, there is no risk for Controllers once they are connected. This issue affects Controller 7000: 9.30 prior to vCR9.30.250624a (distributed in 9.30.1871 (MR1)).

Frequently asked questions

What is CVE-2025-35983?: Improper Certificate Validation (CWE-295) in the Controller 7000 OneLink implementation could allow an unprivileged attacker to perform a limited denial of service or perform privileged overrides during the initial configuration of the Controller, there is no risk for Controllers once they are connected. This issue affects Controller 7000: 9.30 prior to vCR9.30.250624a (distributed in 9.30.1871 (MR1)).
How severe is CVE-2025-35983?: CVE-2025-35983 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2025-35983 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-35983?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-35983 have an EU (EUVD) identifier?: Yes. CVE-2025-35983 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20886.
When was CVE-2025-35983 published?: CVE-2025-35983 was published on 2025-07-10 and last updated on 2026-06-17.

References

https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2025-35983

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