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Fencer Vulns
critical 10.0

CVE-2006-6183 in the critical feed json

Multiple stack-based buffer overflows in 3Com 3CTftpSvc 2.0.1, and possibly earlier, allow remote attackers to cause a denial of service (c…

published 2006-12-01 19 y ago modified 2026-06-16 4 mo ago also EUVD-2006-6166

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
70.4%
EPSS 70.4% chance of exploitation in 30 days, percentile 99.3%
public exploits
6
Metasploit, Exploit-DB

Summary

Multiple stack-based buffer overflows in 3Com 3CTftpSvc 2.0.1, and possibly earlier, allow remote attackers to cause a denial of service (crash) or execute arbitrary code via a long mode field (aka transporting mode) in a (1) GET or (2) PUT command.

Timeline

  1. First public exploit (Metasploit exploit/windows/tftp/threectftpsvc_long_mode)
  2. Published

Exploit prediction

70.37% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/windows/tftp/threectftpsvc_long_mode 3CTftpSvc TFTP Long Mode Buffer Overflow metasploit exploit, great rank, 2006-11-27
  • EDB-16347 3Com TFTP Service (3CTftpSvc) - 'Mode' Remote Buffer Overflow (Metasploit) remote, 2010-05-09
  • EDB-3388 3Com TFTP Service (3CTftpSvc) 2.0.1 - Long Transporting Mode remote, 2007-02-28
  • EDB-3170 3Com TFTP Service (3CTftpSvc) 2.0.1 - Remote Buffer Overflow (Metasploit) remote, 2007-01-21
  • EDB-2865 3Com TFTP Service (3CTftpSvc) 2.0.1 - 'Long Transporting Mode' Remote Overflow remote, 2006-11-30
  • EDB-2855 3Com TFTP Service (3CTftpSvc) 2.0.1 - 'Long Transporting Mode' Overflow (PoC) dos, 2006-11-27
  • securityfocus.com http://www.securityfocus.com/bid/21301 referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/21322 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.