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Fencer Vulns
critical 10.0

CVE-2008-4193 in the critical feed json

Stack-based buffer overflow in SecurityGateway.dll in Alt-N Technologies SecurityGateway 1.0.1 allows remote attackers to execute arbitrary…

published 2008-09-24 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-4176

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
74.6%
EPSS 74.6% chance of exploitation in 30 days, percentile 99.5%
public exploits
4
Metasploit, Exploit-DB

Summary

Stack-based buffer overflow in SecurityGateway.dll in Alt-N Technologies SecurityGateway 1.0.1 allows remote attackers to execute arbitrary code via a long username parameter.

Timeline

  1. First public exploit (EDB-5718)
  2. Published

Exploit prediction

74.61% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/windows/http/altn_securitygateway Alt-N SecurityGateway username Buffer Overflow metasploit exploit, average rank, 2008-06-02
  • EDB-16803 Alt-N SecurityGateway 1.0.1 - 'Username' Remote Buffer Overflow (Metasploit) remote, 2010-07-07
  • EDB-5827 Alt-N SecurityGateway 1.00-1.01 - Remote Stack Overflow remote, 2008-06-15
  • EDB-5718 Alt-N SecurityGateway 1.0.1 - 'Username' Remote Buffer Overflow (PoC) dos, 2008-06-01

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.