What is CVE-2026-7833?

CVE-2026-7833 is a high-severity vulnerability in Efm Iptime C200, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.2/10. Published 2026-05-05.

How severe is CVE-2026-7833?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Efm Iptime C200

CVE-2026-7833

A weakness has been identified in EFM ipTIME C200 up to 1.092. This vulnerability affects the function sub_408F90 of the file /cgi/iux_set.cgi of the component ApplyRestore Endpoint. This manipulation of the argument RestoreFile causes com…

EPSS: 0.002 (38.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Efm Iptime C200 — versions 1.092

Weakness classification (CWE)

References

cna@vuldb.com (exploit)
Submit #807786 | iptime c200 1.092 Command Injection (third-party-advisory)
VDB-361112 | EFM ipTIME C200 ApplyRestore Endpoint iux_set.cgi sub_408F90 command injection (technical-description, vdb-entry)
VDB-361112 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)

Frequently asked questions

What is CVE-2026-7833?: CVE-2026-7833 is a high-severity vulnerability in Efm Iptime C200, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.2/10. Published 2026-05-05.
How severe is CVE-2026-7833?: High severity. CVSS v3 base score is 7.2 out of 10.