How severe is CVE-2026-2550?

CVE-2026-2550 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-2026-2550 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-2550?

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-2026-2550 have an EU (EUVD) identifier?

Yes. CVE-2026-2550 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6098.

When was CVE-2026-2550 published?

CVE-2026-2550 was published on 2026-02-16 and last updated on 2026-06-17.

CVE-2026-2550

CVE-2026-2550 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
CVSS v4: 8.9
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6098
Weakness: CWE-284
Published: 2026-02-16
Last modified: 2026-06-17

Description

A vulnerability was found in EFM iptime A6004MX 14.18.2. Affected is the function commit_vpncli_file_upload of the file /cgi/timepro.cgi. The manipulation results in unrestricted upload. The attack may be performed from remote. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-2550?: A vulnerability was found in EFM iptime A6004MX 14.18.2. Affected is the function commit_vpncli_file_upload of the file /cgi/timepro.cgi. The manipulation results in unrestricted upload. The attack may be performed from remote. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-2550?: CVE-2026-2550 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-2026-2550 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-2550?: 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-2026-2550 have an EU (EUVD) identifier?: Yes. CVE-2026-2550 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6098.
When was CVE-2026-2550 published?: CVE-2026-2550 was published on 2026-02-16 and last updated on 2026-06-17.

References

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