CVE-2019-25227 Tellion HN-2204AP Unauthenticated Configuration Disclosure
Unauthenticated attackers can retrieve sensitive configuration files from Tellion HN-2204AP routers, exposing credentials and network settings.
- 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-2019-25227?
CVE-2019-25227 is a high-severity vulnerability in Tellion, Inc. HN-2204AP Router, published on 26 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Tellion HN-2204AP routers contain an unauthenticated configuration disclosure vulnerability in the /cgi-bin/system_config_file management endpoint. The endpoint allows remote retrieval of a compressed configuration archive without requiring authentication or authorization. The exposed configuration may include administrative credentials, wireless keys, and other sensitive settings, enabling an unauthenticated attacker to obtain information that can facilitate further compromise of the device or network.
Weakness: CWE-306
Which versions are affected by CVE-2019-25227?
How do I fix CVE-2019-25227?
No fix has been published for CVE-2019-25227 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-25227 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25227 exists.
Sources
Also known as GHSA-6qj6-gv54-xg63.