Improper Authentication Flaw in EFM ipTIME T16000M Router
CVE-2026-78167

10CRITICAL

Key Information:

Vendor

Efm

Status
Iptime T16000m
Vendor
CVE Published:
24 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-78167?

A significant weakness has been identified in the EFM ipTIME T16000M router due to a flaw in the session validation handler, specifically in the function httpcon_check_session_url. This vulnerability allows attackers to exploit the device remotely, leading to improper authentication and potential unauthorized access. Public exploit code has been released, increasing the risk of attacks targeting users of version 14.20.2. Despite early notification to the vendor regarding this issue, there has been no response, raising concerns about user safety.

Affected Version(s)

ipTIME T16000M 14.20.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-78167 - Proof of Concept

References

https://vuldb.com/vuln/394556
vdb-entrytechnical-description
https://vuldb.com/vuln/394556/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-78167
third-party-advisory

CVSS V4

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

010hex (VulDB User)
VulDB CNA Team
.