AMENDMENT NUMBER ELEVEN to the Master Repurchase Agreement dated as of May 30, 2002 by and between NEW CENTURY FUNDING SB-1, a Delaware statutory trust and

Exhibit 10.25

AMENDMENT NUMBER ELEVEN

to the

Master Repurchase Agreement

dated as of May 30, 2002

by and between

NEW CENTURY FUNDING SB-1, a Delaware statutory trust

and

CITIGROUP GLOBAL MARKETS REALTY CORP.

(as successor to SALOMON BROTHERS REALTY CORP.)

This AMENDMENT NUMBER ELEVEN (this “Amendment Number Eleven”) is made this 28th day of September, 2005, by and among NEW CENTURY FUNDING SB-1, a Delaware statutory trust, having an address at c/o Christiana Bank & Trust Company, 1314 King Street, Wilmington, Delaware, 19801 (“NC SB-1”) and CITIGROUP GLOBAL MARKETS REALTY CORP. (as successor to Salomon Brothers Realty Corp.), having an address at 390 Greenwich Street, New York, New York 10013 (the “Buyer”) to the Master Repurchase Agreement, dated as of May 30, 2002, between NC SB-1 and the Buyer, as amended (the “Agreement”).

RECITALS

WHEREAS, Buyer and NC SB-1 have agreed to amend the Agreement to extend the termination date thereof; and

WHEREAS, as of the date of this Amendment Number Eleven, NC SB-1 represents to the Buyer that it is in compliance with all of the representations and warranties and all of the affirmative and negative covenants set forth in the Agreement and not in default under the Agreement.

NOW THEREFORE, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, and of the mutual covenants herein contained, the parties hereto hereby agree as follows:

SECTION 1. Effective as of September 28, 2005, Section 27 of the Agreement shall be amended by substituting “December 29, 2005” for “September 30, 2005” in clause (i) thereof.

SECTION 2. Representations. In order to induce the Buyer to execute and deliver this Amendment Number Eleven, the Seller hereby represents to the Buyer that as of the date hereof, after giving effect to this Amendment Number Eleven, the Seller is in full compliance with all of the terms and conditions of the Agreement and the Letter Agreement and no Default, Event of Default or Material Adverse Change has occurred under the Agreement.

SECTION 3. Fees and Expenses. Seller agrees to pay to Buyer all fees and out of pocket expenses incurred by Buyer in connection with this Amendment Number Eleven and all other related documentation (including all reasonable fees and out of

pocket costs and expenses of Buyer’s legal counsel incurred in connection with the foregoing documents), in accordance with Section 22 of the Agreement.

SECTION 4. Defined Terms. Any terms capitalized but not otherwise defined herein shall have the respective meanings set forth in the Master Repurchase Agreement.

SECTION 5. Limited Effect. This Amendment Number Eleven shall become effective upon the execution hereof by the parties hereto. Except as expressly amended and modified by this Amendment Number Eleven, the Master Repurchase Agreement shall continue in full force and effect in accordance with its terms. Reference to this Amendment Number Eleven need not be made in the Master Repurchase Agreement or any other instrument or document executed in connection therewith, or in any certificate, letter or communication issued or made pursuant to, or with respect to, the Master Repurchase Agreement, any reference in any of such items to the Master Repurchase Agreement being sufficient to refer to the Master Repurchase Agreement as amended hereby.

SECTION 6. GOVERNING LAW. THIS AMENDMENT NUMBER ELEVEN SHALL BE CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK AND THE OBLIGATIONS, RIGHTS, AND REMEDIES OF THE PARTIES HEREUNDER SHALL BE DETERMINED IN ACCORDANCE WITH SUCH LAWS WITHOUT REGARD TO CONFLICT OF LAWS DOCTRINE APPLIED IN SUCH STATE (OTHER THAN SECTIONS 5-1401 and 5-1402 OF THE NEW YORK GENERAL OBLIGATIONS LAW).

SECTION 7. Counterparts. This Amendment Number Eleven may be executed by each of the parties hereto on any number of separate counterparts, each of which shall be an original and all of which taken together shall constitute one and the same instrument.

[Signature Page Follows]

IN WITNESS WHEREOF, the Buyer and the Seller have caused this Amendment Number Eleven to be executed and delivered by their duly authorized officers as of the day and year first above written.

Each of the undersigned Guarantors under the Guaranty and Pledge Agreement dated as of May 30, 2002, as amended, hereby acknowledges and agrees to the amendments and modifications to the Master Repurchase Agreement made pursuant to this Amendment Number Eleven.