CVE-2026-12192: GALAYOU Y4 Web Server buffer overflow
A vulnerability was determined in GALAYOU Y4 1.0.0. Impacted is an unknown function of the component Web Server. This manipulation causes buffer overflow. The attack is only possible within the local network. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
GALAYOU Y4 Web Server 1.0.0from your environment.Uninstall or disable the GALAYOU Y4 Web Server 1.0.0 on affected hosts if the component is not required.
- Compensating control
Isolate affected hosts from the local network and restrict access to the web server to trusted management IPs only (use VLAN segmentation, firewall/ACL rules or a network gateway). The vulnerability is exploitable only from the local network, so removing local exposure reduces risk.
- Operational
Treat exposed instances as potentially compromised: preserve logs, perform forensic/IOC scans for signs of exploitation, take impacted hosts offline if compromise is suspected, and monitor for public vendor fixes or advisories to apply when available.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-12192?
The severity of CVE-2026-12192 is high, with a score of 8.8.
What type of vulnerability is CVE-2026-12192?
CVE-2026-12192 is a buffer overflow vulnerability affecting the GALAYOU Y4 Web Server.
How do I fix CVE-2026-12192?
To fix CVE-2026-12192, update to the latest version of GALAYOU Y4 that addresses the buffer overflow issue.
Can CVE-2026-12192 be exploited remotely?
No, CVE-2026-12192 can only be exploited within the local network.
What impact does CVE-2026-12192 have on confidentiality, integrity, and availability?
CVE-2026-12192 has a high impact on confidentiality, integrity, and availability due to the nature of the buffer overflow.