FiberHome Vulnerabilities and Affected Products
Vulnerabilities associated with HG6245D.
Products
Clear product- AN5506-01A ONU GPON4 vulnerabilities
- an5506-01-a_firmware1 vulnerability
- AN5506-04-FA1 vulnerability
- HG6245D1 vulnerability
- hg6245d_firmware1 vulnerability
- hg6544c_firmware1 vulnerability
| Vulnerability | Title and context | CVSS | EPSS | PoCs | Signals | STIX action |
|---|---|---|---|---|---|---|
CVE-2021-4464CRITICAL | FIberHome AN5506-04-FA / HG6245D Routers Remote Stack OverflowFiberHome AN5506-04-FA firmware versions up to and including RP2631 and HG6245D prior to RP2602 contain a stack-based buffer overflow, as the HTTP service ('webs') fails to enforce maximum lengths for Cookie header values. When a cookie longer than 511 bytes is processed, a stack buffer is overrun, leading to a crash or potential control of execution flow. CWE-121Nov 12, 2025 | CVSS9.3v4.0 | EPSS2.03% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |