Auth bypass in Efm Iptime T16000m
CVE-2026-78167
A weakness has been identified in EFM ipTIME T16000M 14.20.2. The impacted element is the function httpcon_check_session_url of the component Session Validation Handler. This manipulation causes improper authentication. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Efm Iptime T16000m — versions 14.20.2
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 (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2026-78167?
- CVE-2026-78167 is a critical-severity vulnerability in Efm Iptime T16000m, classified under Improper Authentication. CVSS score: 10.0/10. Published 2026-08-24.
- How severe is CVE-2026-78167?
- Critical severity. CVSS v3 base score is 10.0 out of 10.