UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

~~Form~~ FORM 8-K

CURRENT REPORT

~~Pursuant~~PURSUANT TO toSECTION ~~Section~~ 13 orOR 15(d) ofOF ~~the~~THE

~~Securities~~SECURITIES ~~Exchange~~EXCHANGE ~~Act~~ACT ofOF 1934

Date of Report (Date of earliest event reported)

~~Reported): October 18, 2005 Credit Suisse First Boston Mortgage Securities Corp. CSFB Home Equity Asset Trust 2005~~27-7Dec-05

CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORP.
(Exact name of registrant as specified in its charter)
Delaware	333-107055	13-3320910
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)
Eleven Madison Avenue New York, New York 10010
(Address of Principal Executive Offices) (Zip Code)
Registrant’s telephone number, including area code (212) 325-2000

Credit Suisse First Boston Mortgage Securities Corp.,
Home Equity Asset Trust 2005-7,
Home Equity Pass-Through Certificates, Series 2005-7

~~Check~~Credit ~~the~~Suisse ~~appropriate~~First ~~box~~Boston ~~below~~Mortgage ifSecurities ~~the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:~~Corp.

~~[ ] Written communications pursuant to Rule 425 under the Securities Act~~ (17Exact Name ~~CFR~~of ~~230.425)~~Registrant [as ]Specified ~~Soliciting~~in ~~material~~its ~~pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12~~Charter) [ ] Pre-commencement communications pursuant to Rule 14d-2(d) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01. Other Events.

Delaware

333-120966-32

13-3320910

(State or Other Jurisdiction

Of Incorporation)

(Commission

File Number)

(I.R.S. Employer

Identification No.)

~~This~~11 ~~Current~~Madison ~~Report~~Avenue onNew ~~Form 8-K is being filed to file a copy of the Pooling and Servicing Agreement dated as of September 1~~York, ~~2005,~~New among Credit Suisse First Boston Mortgage Securities Corp., as depositor, DLJ Mortgage Capital, Inc., as seller, Wells Fargo Bank, N.A., as a servicer and as master servicer, Ocwen Loan Servicing, LLC, as a servicer, and Select Portfolio Servicing, Inc., as a servicer and special servicer, The Murrayhill Company, as credit risk manager and U.S. Bank National Association, as trustee York(~~the~~Address ~~“Pooling~~of ~~and~~PrincipalExecutive ~~Servicing Agreement”~~Offices), in10010 ~~connection~~(Zip ~~with the issuance by Home Equity Asset Trust 2005-7 of Home Equity Pass-Through Certificates, Series 2005-7.~~Code)

~~Item~~Registrant's ~~9.01.~~telephone number, including area code: (212) 325-2000

~~Financial~~Check ~~Statements,~~the ~~Pro~~appropriate ~~Forma~~box ~~Financial~~below ~~Information~~if ~~and~~the ~~Exhibits~~Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

[ ] Written communications pursuant to Rule 425 under the Securities Act (q17 CFR 230.425)

~~Not~~ [ ] ~~applicable~~Soliciting material pursuant to Rule 14a-12(b) under the Exchange Act (17 CFR 240.14a-12(b))

[ ] Pre-commencement communications pursuant to Rule 14d-2(rb) under the Exchange Act (17 CFR 240.14d-2(b))

~~Not~~ [ ] ~~applicable~~Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

~~(s)~~Item 8.01 Other Events.

~~Exhibits:~~On 27-Dec-05 a scheduled distribution was made from the Trust to holders of the Certificates. The Trustee has caused to be filed with the Commission, the Monthly Report dated 27-Dec-05. The Monthly Report is filed pursuant to and in accordance with (1) numerous no-action letters (2) current Commission policy in the area.

4Item 9.101 Financial Statements and Exhibits.

~~Pooling~~(C) ~~and Servicing Agreement~~Exhibits

Exhibit No. 99.1

Monthly Distribution Report dated: 27-Dec-05

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the ~~registrant~~Registrant has duly caused this report to be signed on its behalf by the undersigned ~~thereunto~~hereunto duly authorized.

~~CREDIT~~By: U.S. ~~SUISSE~~Bank ~~FIRST~~National ~~BOSTON~~Association, ~~MORTGAGE CORP.~~as Trustee for:

Credit Suisse First Boston Mortgage Securities Corp., Home Equity Asset Trust 2005-7

Home Equity Pass-Through Certificates

Series 2005-7

By:

/s/ Becky ~~Kevin Steele__~~Warren

Name:

~~Kevin~~Becky ~~Steele~~Warren

Title:

Assistant Vice President

Dated: ~~October 18, 2005~~03-Jan-06

~~EXHIBIT~~Index ~~4.1~~to Exhibits

Exhibit No. 99.1

Monthly Distribution Report dated: 27-Dec-05

Filing Compare · Home Equity Asset Trust 2005-7