CVE-2021-4464 — FIberHome AN5506-04-FA / HG6245D Routers Remote Stack Overflow
FiberHome 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 enfo…
Published: 2025-11-12 · CVSS: 9.3 · CVSS 4.0
FiberHome 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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7