CVE-2019-25686 — Core FTP 2.0 build 653 PBSZ Unauthenticated Denial of Service
Core FTP 2.0 build 653 contains a denial of service vulnerability in the PBSZ command that allows unauthenticated attackers to crash the service by sending a malformed command w…
Published: 2026-04-05 · CVSS: 8.7 · CVSS 4.0
Core FTP 2.0 build 653 contains a denial of service vulnerability in the PBSZ command that allows unauthenticated attackers to crash the service by sending a malformed command with an oversized buffer. Attackers can send a PBSZ command with a payload exceeding 211 bytes to trigger an access violation and crash the FTP server process.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7