Which versions of A8004t Firmware are affected by CVE-2026-1742?

Organizations using A vulnerability should be aware of moderate risk from CVE-2026-1742, a improper access control vulnerability rated CVSS 4.7.

How to fix or mitigate CVE-2026-1742?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

A8004t Firmware CVE-2026-1742

Q: What is the CVSS score of CVE-2026-1742?

CVE-2026-1742 has a CVSS 4.0 base score of 2.0 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

LOW

Improper Access Control (CWE-284)

2026-02-02 cna@vuldb.com

File Upload Authentication Bypass A8004t Firmware

2.0

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.0 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

4.7 (MEDIUM) 2.0 (LOW)

Analysis Generated

Mar 12, 2026 - 22:01 vuln.today

CVE Published

Feb 02, 2026 - 04:15 nvd

MEDIUM 4.7

DescriptionCVE.org

A vulnerability was identified in EFM ipTIME A8004T 14.18.2. Affected by this vulnerability is the function commit_vpncli_file_upload of the file /cgi/timepro.cgi of the component VPN Service. Such manipulation leads to unrestricted upload. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

The VPN service in EFM ipTIME A8004T firmware 14.18.2 contains an unrestricted file upload vulnerability in the commit_vpncli_file_upload function that allows authenticated remote attackers to upload arbitrary files. Public exploit code exists for this vulnerability, and the vendor has not provided a patch or response. An attacker with high-level privileges could exploit this to upload malicious files and potentially compromise the device.

Technical ContextAI

Classified as CWE-284 (Improper Access Control). Affects A8004T Firmware. A vulnerability was identified in EFM ipTIME A8004T 14.18.2. Affected by this vulnerability is the function commit_vpncli_file_upload of the file /cgi/timepro.cgi of the component VPN Service. Such manipulation leads to unrestricted upload. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.