CVE-2026-1741
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2Description
A vulnerability was determined in EFM ipTIME A8004T 14.18.2. Affected is the function httpcon_check_session_url of the file /sess-bin/d.cgi of the component Debug Interface. This manipulation of the argument cmd causes backdoor. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Analysis
The debug interface in EFM ipTIME A8004T firmware versions up to 14.18.2 contains a backdoor vulnerability in the /sess-bin/d.cgi component that can be exploited remotely through manipulation of the cmd parameter, allowing authenticated attackers with high privileges to achieve unauthorized access. Public exploit code exists for this vulnerability, and the vendor has not released a patch despite early notification of the disclosure.
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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