How severe is CVE-2025-28236?

CVE-2025-28236 has a CVSS 3.x base score of 9.8, 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-2025-28236 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-28236?

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-2025-28236 have an EU (EUVD) identifier?

Yes. CVE-2025-28236 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11891.

When was CVE-2025-28236 published?

CVE-2025-28236 was published on 2025-04-18 and last updated on 2026-06-17.

CVE-2025-28236

CVE-2025-28236 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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-494.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-11891
Weakness: CWE-494
Published: 2025-04-18
Last modified: 2026-06-17

Description

Nautel VX Series transmitters VX SW v6.4.0 and below was discovered to contain a remote code execution (RCE) vulnerability in the firmware update process. This vulnerability allows attackers to execute arbitrary code via supplying a crafted update package to the /#/software/upgrades endpoint.

Frequently asked questions

What is CVE-2025-28236?: Nautel VX Series transmitters VX SW v6.4.0 and below was discovered to contain a remote code execution (RCE) vulnerability in the firmware update process. This vulnerability allows attackers to execute arbitrary code via supplying a crafted update package to the /#/software/upgrades endpoint.
How severe is CVE-2025-28236?: CVE-2025-28236 has a CVSS 3.x base score of 9.8, 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-2025-28236 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-28236?: 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-2025-28236 have an EU (EUVD) identifier?: Yes. CVE-2025-28236 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11891.
When was CVE-2025-28236 published?: CVE-2025-28236 was published on 2025-04-18 and last updated on 2026-06-17.

References

https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-28236

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