PSP Firmware 5.55 Vulnerable to MOHH Exploit

Sunday, August 9th, 2009
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Some good news, that is if someone can make a working exploit from it. You remember the that surfaced a few months ago? Well it works on firmware 5.55 it seems. This is the newest firmware that many of the new releases require in order to run. Games like G.I. Joe: Rise of Cobra. The video above shows PSP Firmware 5.55 is still vulnerable to the exploit.


Download: Medal of Honor: Heroes Exploit for 5.50+ & 5.51 firmware
(Medal of Honor: Heroes Exploit for 5.50+ & 5.51 firmware - 19.5 KiB - 11,568 Hits)

Related post: 5.51 working exploit found in Medal of Honor: Heroes

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Posted in Featured, PSP Exploits

  • JALAPENOSE

    First, I hope that we can get some homebrew out of this of 5.55 OFW. Give it some time.

  • ledbetterp3

    ok i have a question? is that all u neeed to do to hack my psp 3000 with 5.50 ofw??? just get the game kill myself liek that on multiplayer? plz reply quick and if so can i do it with the demo?

    • http://pspslimhacks.com/ PSPFan

      No you can’t at this stage. We need someone to make a working exploit from this before you can to anything. Stay on 5.50 Fw for now and wait to see if something happens.

  • ledbetterp3

    o and wuts with psp3000hacks? when will that update?

    • http://pspslimhacks.com/ PSPFan

      Aye it hasn’t been updated for a while I will look into it. But it was basically created for just the PSP-3000.

  • sai2000

    I don’t think that the exploit can do anything.

    Even this is not yet patched, Sony or EA can simply close down the server for the game, or do something to the server if the patch really does something.

  • FIREMAN_FIRE8

    WILL THIS WORK with demo pls help if it then i will have cfw pls reply

  • Skyline969

    On the exploit, it says Run BIN File. What would happen if you used the h.bin file from Davee’s ChickHEN R2? It would need to be modified to be used on OFW 5.55, but other than that, do you think it would be a start?

    • Angelo

      You could try it yourself. I figured the same when I saw the exploit for the first time.

    • vin

      tried it, the result?…
      crashes my psp
      this is a start, but i think that you must also do something with the tiff image as well as the h.bin file
      i’ve read something in the info.txt that is supplied with the v2 and it says”if you want to run a program after exploiting, use this folder”
      does it already have a hen?
      answer yes or no

  • errol

    no matter what sony or ea do theres a version of the exploit that doesn’t require the use of their game servers or wifi and this firmware is already made so nothing sony can do either but patch the one after 5.55. . .

  • marcymarc

    HAHA he’s playing mohh, a WWII game, on a Jap PSP. Ironic, much?

    • Angelo

      Nope. :)

    • DAud_IcI

      Like if it would be ironic to play a WW2 game for anyone from a nation that was part of the Axis Powers? Bah, don’t be stupid! That’s so stereotypically American.

  • errol

    and i’m playing it on a us ver. psp. . .

    idiot. . .

  • sparta2020

    this may sound crazy, but is there a homebrew or exploit that can dual boot(like have vista and windows xp on one system) the psp between maybe a ofw and custom firmware. cant even get the stuff i bought of the psn store for my games. or is there a way to at least access the psn store on a lower cfw?
    btw i have psp 3000 running chickhen with 5.03 gen

  • vin

    check this out- an eloader in the works by n00b81 and m0skit0
    type: pspupdates.qj.net then this:eLoader-now-in-the-works-for-Medal-of-Honor-Heroes-exploit/pg/49/aid/133784
    it woudnt let me make a normal link

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  • bong9956

    HOW COME THEY DID NOT FINISH THIS HACK.,TO ALL THE HACKERS.,FINISH THIS HACKS.,OR MAKE A NEW HACK FOR THE PSP3000 USERS.,IF SOMEONE WILL BE ABLE TO HACK THE PSP3K WITH A 5.50 FW.,THAT WOULD BE A GOOD NEWS TO THE WHOLE WORLD.,A LOT OF PEOPLE IS STACK IN THIS FW.,HOPEFULY IN THE FUTURE THEY WILL TOTALY HACK THE PSP 3K.,

  • blazer13

    I THINK I JUST CREATED A HACK FOR THE PSP 3000. WHAT IT IS SUPPOSED TO DO IS BOOT YOUR PSP INTO CHICKEN R2. I THINK THIS HACK WILL WORK ON FIRMWARES UP TO 5.51. BUT YOU MUST MEDAL OF HONOR: HEROES FOR THIS TO WORK. ALL YOU HAVE TO DO IS DOWNLOAD THIS FILE
    HERE IS THE LINK:http://rapidshare.com/files/289176885/h.bin.html
    AND WHAT UR SUPPOSED TO DO IS GO TO ADHOC MODE ON MEDAL OF HONOR:HEROES AND START A GAME AND KILL YOUR SELF.

    THIS HACK WAS MADE FROM KGSWS MOHH EXPLOIT. COMMENT BACK HERE AND TELL ME IF THE HACK WORKS.

    I RECOMMEND USING THIS ON A PSP 2000 CAUSE IF IT BRICKS UR PSP U CAN JUST U A PANDORA BATTERY AND MMS TO FIX IT.

  • correia

    I am working on a loader too, but if i am not wrong you need to test it on a 3000 not on 2000 correct me if i am wrong about that.

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