CVE-2001-0740
5.0 · MEDIUM3COM 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…
Overview
CVE-2001-0740 is a medium-severity vulnerability affecting 3com 3c840-us. It was published on October 18, 2001 and has a CVSS 2.0 base score of 5.0 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical description
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.
Remediation
Check the references section for vendor advisories and patches from 3com. Update 3c840-us to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| 3com | 3c840-us | 0 | Affected |
| 3com | 3cp4144 | 0 | Affected |
References
How CyberStrike helps
Reason, not just scan
It reasons through your app's logic the way a human pentester would, so it finds flaws signature scanners miss.
Learn moreVerified findings
Every finding is proven exploitable before you see it, which cuts the false positives that bury real risk.
Learn moreAI-driven DAST and SAST
Probe running apps and read source from one engine, so issues are caught before and after they ship.
Learn moreOpen source
Read exactly how it tests and what it reports. CyberStrike is open source and in early access.
View the repo
Frequently asked questions
What is CVE-2001-0740?
CVE-2001-0740 is a medium-severity vulnerability affecting 3com 3c840-us. It was published on October 18, 2001 and has a CVSS 2.0 base score of 5.0 (MEDIUM).
How severe is CVE-2001-0740?
This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2001-0740?
Check the references section for vendor advisories and patches from 3com. Update 3c840-us to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2001-0740?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2001-0740 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
Related MEDIUM CVEs from 2001
View all- 6.8CVE-2001-1441
Cross-site scripting (XSS) vulnerability in VisualAge for Java 3.5 Professional allows remote attack
View details - 6.8CVE-2001-1585
SSH protocol 2 (aka SSH-2) public key authentication in the development snapshot of OpenSSH 2.3.1, a
View details - 6.4CVE-2000-1132
DCForum cgforum.cgi CGI script allows remote attackers to read arbitrary files, and delete the progr
View details - 6.4CVE-2001-0276
ext.dll in BadBlue 1.02.07 Personal Edition web server allows remote attackers to determine the phys
View details - 6.4CVE-2001-0283
Directory traversal vulnerability in SunFTP build 9 allows remote attackers to read arbitrary files
View details - 6.4CVE-2001-0323
The ICMP path MTU (PMTU) discovery feature in various UNIX systems allows remote attackers to cause
View details - 6.4CVE-2001-0380
Crosscom/Olicom XLT-F running XL 80 IM Version 5.5 Build Level 2 allows a remote attacker SNMP read
View details - 6.4CVE-2001-0450
Directory traversal vulnerability in Transsoft FTP Broker before 5.5 allows attackers to (1) delete
View details - 6.4CVE-2001-0484
Tektronix PhaserLink 850 does not require authentication for access to configuration pages such as _
View details - 6.4CVE-2001-0421
FTP server in Solaris 8 and earlier allows local and remote attackers to cause a core dump in the ro
View details - 6.4CVE-2001-0434
The LogDataListToFile ActiveX function used in (1) Knowledge Center and (2) Back web components of C
View details - 6.4CVE-2001-1120
Vulnerabilities in ColdFusion 2.0 through 4.5.1 SP 2 allow remote attackers to (1) read or delete ar
View details