Cyber Posture

CVE-2026-1740

High

Published: 02 February 2026

Published
02 February 2026
Modified
10 March 2026
KEV Added
—
Patch
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CVSS Score 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0010 26.3th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Description

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

Security Summary

CVE-2026-1740 is an improper authentication vulnerability (CWE-287) in the EFM ipTIME A8004T router firmware version 14.18.2. It affects the httpcon_check_session_url function in the /cgi/timepro.cgi file of the Hidden Hiddenloginsetup Interface component.

The vulnerability enables remote exploitation by unauthenticated attackers (AV:N/AC:L/PR:N/UI:N) with low complexity and no user interaction required. Successful attacks result in limited impacts to confidentiality, integrity, and availability (C:L/I:L/A:L), earning a CVSS v3.1 base score of 7.3. A public exploit is available and could be used.

Advisories referenced on VulDB (ctiid.343639, id.343639, submit.741422) and a GitHub issue detail the issue, noting that the vendor was contacted early for disclosure but provided no response. No patches or official mitigations are mentioned.

Details

CWE(s)
CWE-287

Affected Products

iptime
a8004t firmware
14.18.2

MITRE ATT&CK Enterprise Techniques

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Why these techniques?

The vulnerability is an improper authentication flaw in a public-facing router web interface (/cgi/timepro.cgi), enabling unauthenticated remote exploitation (AV:N/AC:L/PR:N/UI:N), directly mapping to T1190: Exploit Public-Facing Application.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

References