CVE-2026-2135
Published: 08 February 2026
Summary
CVE-2026-2135 is a medium-severity Injection (CWE-74) vulnerability in Utt 810 Firmware. Its CVSS base score is 6.3 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 40.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Directly implements input validation mechanisms at the /goform/formPdbUpConfig entry point to block command injection via the policyNames argument.
Requires identification, reporting, and correction of the specific command injection flaw in sub_43F020 of /goform/formPdbUpConfig.
Enables monitoring of system activities to identify exploitation attempts of the command injection vulnerability through anomalous behavior.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Command injection vulnerability in web form (/goform/formPdbUpConfig) on network-accessible device enables exploitation of public-facing application (T1190) and arbitrary Unix shell command execution (T1059.004).
NVD Description
A vulnerability was detected in UTT HiPER 810 1.7.4-141218. The impacted element is the function sub_43F020 of the file /goform/formPdbUpConfig. Performing a manipulation of the argument policyNames results in command injection. It is possible to initiate the attack remotely. The…
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exploit is now public and may be used.
Deeper analysisAI
CVE-2026-2135 is a command injection vulnerability affecting UTT HiPER 810 version 1.7.4-141218. The issue resides in the function sub_43F020 within the file /goform/formPdbUpConfig, where manipulation of the policyNames argument enables command injection. It is associated with CWEs-74 and CWE-77 and carries a CVSS v3.1 base score of 6.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L).
The vulnerability allows remote exploitation by attackers possessing low privileges. Exploitation requires low complexity and no user interaction, enabling limited impacts on confidentiality, integrity, and availability, such as unauthorized command execution within the context of the affected component.
Advisories documented on VulDB and a GitHub repository detail the vulnerability, noting that the exploit is now public and may be used by attackers. No specific patches or mitigation steps are outlined in the available references.
Details
- CWE(s)