CVE-2026-105110 PUBLISHED

Iskratel Innbox Unauthenticated Remote Code Execution via login.xgi CLI Parameter

Assigner: TuranSec
Reserved: 03.10.2026 Published: 08.10.2026 Updated: 08.10.2026

OS Command Injection in the login.xgi CGI endpoint in Iskratel Innbox GPON ONT devices allows an unauthenticated remote attacker to execute arbitrary commands as root via the CLI parameter.

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	Low
Attack Complexity	Low	Integrity	High	Integrity	Low
Attack Requirements	None	Availability	High	Availability	Low
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Iskratel
Product	Innbox
Versions	Default: affected

References

Exploit PoC and Technical Details

Problem Types

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE
CWE-306 Missing Authentication for Critical Function CWE

Impacts

An unauthenticated remote attacker can execute arbitrary commands as root, leading to full device compromise including credential extraction, configuration tampering, and persistent backdoor installation.