GAMSoft TelSrv telnet server 1.5 and earlier allows remote attackers to cause a denial of service via a long username.

1. 2000-07-17 First public exploit (Metasploit exploit/windows/telnet/gamsoft_telsrv_username)
2. 2000-07-17 Published

50.99% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

• Metasploit exploit/windows/telnet/gamsoft_telsrv_username GAMSoft TelSrv 1.5 Username Buffer Overflow metasploit exploit, average rank, 2000-07-17
• EDB-16816 GAMSoft TelSrv 1.5 - 'Username' Remote Buffer Overflow (Metasploit) remote, 2010-06-22
• archives.neohapsis.com http://archives.neohapsis.com/archives/ntbugtraq/2000-q3/0031.html referenced PoC, tagged "exploit" by a source, unverified
• securityfocus.com http://www.securityfocus.com/bid/1478 referenced PoC, tagged "exploit" by a source, unverified

• archives.neohapsis.com /archives/ntbugtraq/2000-q3/0031.html

  mailing-list, exploit, patch, vendor-advisory

• securityfocus.com /bid/1478

  vdb-entry, exploit, vendor-advisory

• exchange.xforce.ibmcloud.com /vulnerabilities/4945

  vdb-entry

• archives.neohapsis.com /archives/ntbugtraq/2000-q3/0056.html

  mailing-list

• osvdb.org /373

  vdb-entry

• CVE List CVE-2000-0665
• NVD CVE-2000-0665

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