CVE-2001-0740 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 4.1% (pctl 90)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 4.05% — more likely to be exploited than 90% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2001-10-18 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| 3com | 3c840-us |
| 3com | 3cp4144 |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | 3Com OfficeConnect DSL Router 812 1.1.7/840 1.1.7 - HTTP Port Router Denial of Service | 2001-09-21 |
References
- 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
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