CVE-2026-45433 Hardcoded Cryptographic Key Vulnerability in GX Earth ONT Models
Remote attackers can extract hardcoded RSA keys from GX Earth ONT firmware to decrypt HTTPS traffic and perform Man-in-the-Middle attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-45433?
CVE-2026-45433 is a high-severity vulnerability in GX Earth 1010, published on 4 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-321
Which versions are affected by CVE-2026-45433?
How do I fix CVE-2026-45433?
No fix has been published for CVE-2026-45433 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-45433 being exploited?
There is no known exploitation of CVE-2026-45433 in the wild and no public exploit code.
Sources
Also known as GHSA-5h68-jg5g-w367.