PT-2026-3163 · Pagebreak · Smartftp Client

Eric Salario · Published 2026-01-15 · Updated 2026-01-21 · CVE-2021-47791

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions SmartFTP Client version 10.0.2909.0

Description SmartFTP Client is susceptible to multiple denial of service issues. An attacker can cause the application to crash by providing specially crafted input. This can be achieved by submitting malformed paths, utilizing invalid IP addresses, or clearing the connection history within the client interface.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2021-47791

Affected Products

Smartftp Client

References · 8

• 🔥 https://exploit-db.com/exploits/50266 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-47791 · Security Note
• https://osv.dev/vulnerability/CVE-2021-47791 · Vendor Advisory
• https://vulncheck.com/advisories/smartftp-client-multiple-denial-of-service · Note
• https://smartftp.com/en-us · Note
• https://twitter.com/CVEnew/status/2012126499332051208 · Twitter Post
• https://smartftp.com/en-us/download · Note
• https://twitter.com/cracbot/status/2013929632106741826 · Twitter Post