CVE-2026-1740

EFM ipTIME A8004T Hidden Hiddenloginsetup timepro.cgi httpcon_check_session_url improper authentication

Published Feb 2, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
A vulnerability was found in EFM ipTIME A8004T 14.18.2. This impacts the function httpcon_check_session_url of the file /cgi/timepro.cgi of the component Hidden Hiddenloginsetup Interface. The manipulation results in improper authentication. 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.

Analysis

AI-generated

Technical impact

A vulnerability exists in the Hidden Hiddenloginsetup interface of the EFM ipTIME A8004T router firmware 14.18.2. The function httpcon_check_session_url in /cgi/timepro.cgi allows an attacker to bypass authentication and gain unauthorized access. The weakness is a CWE-287 Improper Authentication flaw. Because the flaw is triggered by manipulating input parameters, an attacker can perform it remotely without prior access, potentially exposing sensitive configuration settings.

Affected Systems

This flaw affects only the EFM ipTIME A8004T model running firmware version 14.18.2. No other models or firmware versions are explicitly listed as impacted.

Risk and Exploitability

The vulnerability is assigned a CVSS score of 6.9, indicating moderate severity, and has an EPSS of less than 1 %, suggesting a low probability of exploitation in the wild. It is not listed in the CISA KEV catalog. Attackers can exploit it remotely to bypass authentication, which could lead to full control over the router’s configuration interface. No special prerequisites are noted beyond the ability to send crafted requests to the device.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply the latest firmware update from the vendor that addresses the authentication bypass in httpcon_check_session_url.
  • If a firmware update is unavailable, block or restrict access to the /cgi/timepro.cgi endpoint with firewall rules or network segmentation.
  • Enforce strong, unique credentials for all administrative interfaces and routinely review account permissions.

Generated by OpenCVE AI on April 18, 2026 at 14:20 UTC.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Iptime a8004t Firmware
CPEs cpe:2.3:h:iptime:a8004t:-:*:*:*:*:*:*:*
cpe:2.3:o:iptime:a8004t_firmware:14.18.2:*:*:*:*:*:*:*
Vendors & Products Iptime a8004t Firmware
Type Values Removed Values Added
First Time appeared Iptime
Iptime a8004t
Vendors & Products Iptime
Iptime a8004t
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A vulnerability was found in EFM ipTIME A8004T 14.18.2. This impacts the function httpcon_check_session_url of the file /cgi/timepro.cgi of the component Hidden Hiddenloginsetup Interface. The manipulation results in improper authentication. 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.
Title EFM ipTIME A8004T Hidden Hiddenloginsetup timepro.cgi httpcon_check_session_url improper authentication
Weaknesses CWE-287
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Feb 23, 2026, 9:13 AM
Reserved
Feb 1, 2026, 8:06 AM
Status
Analyzed
Published
Feb 2, 2026, 4:15 AM
Modified
Jun 17, 2026, 10:16 AM