Vulnerability Report

CVE-2001-0740

Title: 3COM OfficeConnect ADSL Router long string DoS

DoS

Proof Of Concept

PoC Available for CVE-2001-0740

CWE Category NVD-CWE-noinfo

Published Date Oct 18, 2001

Modified Date Jun 16, 2026

Exploit Status Available

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

4.05%

Vulnerability Summary

CVE-2001-0740: 3COM OfficeConnect 812 and 840 ADSL Router 4.2, running OCR812 router software 1.1.9 and earlier, allows remote attackers to cause a denial of service via a long string containing a large number of "%s" strings, possibly triggering a format string vulnerability.

Impacted Vendors

3com 2

Reference Links

http://archives.neohapsis.com/archives/bugtraq/2001-05/0115.html http://marc.info/?l=bugtraq&m=100119572524232&w=2 http://marc.info/?l=bugtraq&m=100137290421828&w=2 http://www.securityfocus.com/bid/2721 https://exchange.xforce.ibmcloud.com/vulnerabilities/6573 http://archives.neohapsis.com/archives/bugtraq/2001-05/0115.html http://marc.info/?l=bugtraq&m=100119572524232&w=2 http://marc.info/?l=bugtraq&m=100137290421828&w=2 http://www.securityfocus.com/bid/2721 https://exchange.xforce.ibmcloud.com/vulnerabilities/6573

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2001-0740 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/20847

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 03, 2025 MODIFIED

Vulnerability data or affected products updated.

October 18, 2001 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.