CVE-2025-36535
CVE-2025-36535 is a critical-severity vulnerability with a CVSS 3.x base score of 10.0. 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-306.
Key facts
- Severity: Critical (CVSS 3.x base score 10.0)
- CVSS v4: 10.0
- EPSS exploit prediction: 1% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-16063
- Weakness: CWE-306
- Published:
- Last modified:
Description
The embedded web server lacks authentication and access controls, allowing unrestricted remote access. This could lead to configuration changes, operational disruption, or arbitrary code execution depending on the environment and exposed functionality.
Frequently asked questions
- What is CVE-2025-36535?
- The embedded web server lacks authentication and access controls, allowing unrestricted remote access. This could lead to configuration changes, operational disruption, or arbitrary code execution depending on the environment and exposed functionality.
- How severe is CVE-2025-36535?
- CVE-2025-36535 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-36535 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-36535?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2025-36535 have an EU (EUVD) identifier?
- Yes. CVE-2025-36535 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16063.
- When was CVE-2025-36535 published?
- CVE-2025-36535 was published on 2025-05-21 and last updated on 2026-06-17.
References
- https://www.automationdirect.com/adc/shopping/catalog/communications/protocol_gateways/modbus_gateways/eki-1221-ce
- https://www.cisa.gov/news-events/ics-advisories/icsa-25-140-09
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