VulnerabilityDeferred

CVE-2026-45431

This vulnerability exists in GX Earth ONT models due to improper handling of user-supplied input in multiple diagnostic functions in its web management interface.

HIGH 8.7EPSS 0.39%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

This vulnerability exists in GX Earth ONT models due to improper handling of user-supplied input in multiple diagnostic functions in its web management interface. An authenticated remote attacker could exploit this vulnerability by injecting arbitrary and executing OS commands on the targeted device. Successful exploitation of this vulnerability could allow the attacker to perform remote code execution with root privileges on the targeted device.

CVSS 4.0: 8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.39% probability · 32th percentile
CISA KEV: Not listed
Weakness: CWE-78
Source: vdisclose@cert-in.org.in

References

https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2026-0288

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.