What is CVE-2026-2550?

CVE-2026-2550 is a critical-severity vulnerability in Efm Iptime A6004mx, classified under Improper Access Control. CVSS score: 9.8/10. Published 2026-02-16.

How severe is CVE-2026-2550?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Efm Iptime A6004mx

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.

EPSS: 0.006 (46.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Efm Iptime A6004mx — versions 14.18.2

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)

Frequently asked questions

What is CVE-2026-2550?: CVE-2026-2550 is a critical-severity vulnerability in Efm Iptime A6004mx, classified under Improper Access Control. CVSS score: 9.8/10. Published 2026-02-16.
How severe is CVE-2026-2550?: Critical severity. CVSS v3 base score is 9.8 out of 10.