Vulnerability · Published Aug 24, 2026 · Assigned by VulDB

CVE-2026-78167EFM ipTIME T16000M Session Validation httpcon_check_session_url improper authentication

Critical 10.0

In plain English

A critical-severity improper authentication in ipTIME T16000M from EFM. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).

Severity (CVSS 3.1)10.0Critical

Exploit odds (30 days)1.5%top 26.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
EFM	ipTIME T16000M	14.20.2

Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-394556 | EFM ipTIME T16000M Session Validation httpcon_check_session_url improper authentication vdb-entry, technical-description
VDB-394556 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-78167 | CVE Analysis and Report third-party-advisory
Submit #874154 | EFM ipTIME T16000M 14.20.2 Remote Code Execution (RCE) third-party-advisory
Submit #874302 | EFM ipTIME T16000M 14.20.2 Arbitrary Password Reset Due to Authentication Bypass (Duplicate) third-party-advisory
https://github.com/AdminSafe/CVE/issues/2 issue-tracking
https://github.com/AdminSafe/CVE/issues/3 exploit, issue-tracking