Firmware 1.76: Fully exploited in public. You can access the Playground from this link.

Firmware 4.05: Fully exploited in public. You can access the Exploits from this link.

Firmware 4.55: Fully exploited in public. You can access the Exploits from this link.

Fully exploited in public. You can access the Exploits from this link.

ChendoChap releases a Full Stack Exploit for 5.05-5.55 via Github

Firmware 6.xx: Fully exploited in public.

Fire30 Shows off his 6.5x Kernel Exploit via Twitter

Specter Releases Webkit Exploit for 6.20, Patched in 6.50 via Github

Fire30 Releases Webkit Exploit for 6.xx, Patched in 7.00 via Github

sleirsgoevy releases the First full stack Impl for 6.72 via Github

ChendoChap releases a Full Stack Exploit for 6.00-6.72 via Github

Firmware 7.0x: Full stack exploit released by Sleir and Chendo Exploit here via the 7.00-7.02 Branch

TheFlow discloses a Kernel Exploit after selling it to Sony HackerOne Report

Webkit Exploit by Synacktiv at Blackhat 2020 Here
Kernel Exploit by TheFlow via HackerOne
Kernel Exploit impl. and Full Stack by Sleirsgoevy Here

Firmware 9.xx: Not Yet fully exploited