Heap-based buffer overflow in the WvTFTPServer::new_connection function in wvtftpserver.cc for WvTftp 0.9 allows remote attackers to execut…

published 2004-10-26 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-1630

cvss: 10.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 8.3%; EPSS 8.3% chance of exploitation in 30 days, percentile 94%
public exploits: 1; Exploit-DB

Heap-based buffer overflow in the WvTFTPServer::new_connection function in wvtftpserver.cc for WvTftp 0.9 allows remote attackers to execute arbitrary code via a long option string in a TFTP packet.

Patch / fix

links 1

secunia.com/advisories/12986 advisory

Timeline

2004-10-26 Published
2004-10-28 First public exploit (EDB-608)

Exploit prediction

8.30% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-608 WvTFTPd 0.9 - Remote Heap Overflow remote, 2004-10-28
secunia.com http://secunia.com/advisories/12986 referenced PoC, tagged "exploit" by a source, unverified
securityfocus.com http://www.securityfocus.com/bid/11525 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

References

secunia.com /advisories/12986
third-party-advisory, exploit, patch, vendor-advisory
securityfocus.com /bid/11525
vdb-entry, exploit, vendor-advisory
marc.info /?l=bugtraq&m=109885074513940&w=2
mailing-list
exchange.xforce.ibmcloud.com /vulnerabilities/17869
vdb-entry

Sources

CVE List CVE-2004-1636
NVD CVE-2004-1636

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.

Summary