CVE-2025-26856: Command Injection (CVSS 7.2)

Description

Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in UD-LT2 firmware Ver.1.00.008_SE and earlier. If an attacker logs in to the affected product with an administrative account and manipulates requests for a certain screen operation, an arbitrary OS command may be executed. This vulnerability was reported on a different screen operation from CVE-2025-20617.

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CVSS v3.1 Score

7.2

HIGH

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-78 OS Command Injection

References

Other References

https://jvn.jp/en/jp/JVN15293958/ https://www.iodata.jp/support/information/2025/01_ud-lt2/

Frequently Asked Questions

What is CVE-2025-26856? +

Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in UD-LT2 firmware Ver.1.00.008_SE and earlier. If an attacker logs in to the affected product with an administrative account and manipulates requests for a certain screen operation, an arbitrary OS command may be executed. This vulnerability was reported on a different screen operation from CVE-2025-20617. It has a CVSS v3.1 base score of 7.2 (HIGH).

How severe is CVE-2025-26856? +

CVE-2025-26856 has a CVSS v3.1 score of 7.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-26856? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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