THREATPORT/VULNERABILITY/CVE-2001-0740
MEDIUM SEVERITY

CVE-2001-0740

3c840 Us vulnerability

CVSS
5.0
EPSS
4.1%
EPSS pct
90th
Exploited
No known
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.
Affected vendor
3com
Affected product
3c840 Us
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published
2001-10-18

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 4.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2001-0740

  • Confirm whether 3com 3c840 Us is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2001-0740.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2001-0740

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2001-0740 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2001-0740?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2001-0740.

Start free scan

No credit card. Agentless.

Related vulnerabilities

MEDIUM
CVE-2011-2608
Openview Performance Agent vulnerability
MEDIUM
CVE-2011-2641
Opera Browser vulnerability
MEDIUM
CVE-2011-2529
Asterisk vulnerability