CVE-2026-45433

Hardcoded Cryptographic Key Vulnerability in GX Earth ONT Models

State: Published
Severity: 8.7 High
Published: Jun 4, 2026
Updated: Jun 4, 2026
Reserved: May 12, 2026

Description

This vulnerability exists in GX Earth 2022 ONT models due to the presence of hardcoded RSA private key within the device firmware. A remote attacker could exploit this vulnerability by extracting the cryptographic private key from the firmware, which could lead to decryption of HTTPS traffic and Man-in-the-Middle (MITM) attacks on the targeted device.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	CERT-In

Weaknesses

CWE-321 Use of hard-coded cryptographic key

Affected Products

Product	Versions
GX Earth 2022GX INDIA	version E2022 - 3.1.2AAffected version E2022 - 3.1.5AVAffected version E2022 - 1.1ASLAffected
GX Earth 1010GX INDIA	version E1010-1.1ASLAffected

References

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

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