CVE-2025-53558 Hardcoded credentials in ZXHN-F660A
Attackers can log in to ZTE ZXHN-F660T and ZXHN-F660A routers using common default credentials, leading to unauthorized access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-53558?
CVE-2025-53558 is a high-severity vulnerability in ZTE Japan. K.K. ZXHN-F660A, published on 31 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ZXHN-F660T and ZXHN-F660A provided by ZTE Japan K.K. use a common credential for all installations. With the knowledge of the credential, an attacker may log in to the affected devices.
Weakness: CWE-1391
Which versions are affected by CVE-2025-53558?
How do I fix CVE-2025-53558?
No fix has been published for CVE-2025-53558 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-53558 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-53558 exists.
Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.
Sources
Also known as GHSA-4xg9-h72c-fxfm.