CVE-2018-7573
A remote FTP server can send 400 characters of 'F' in conjunction with the FTP 220 response code to crash the application; after this overflow, one can run arbitrary code on the victim machine.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 69.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
An issue was discovered in FTPShell Client 6.7. A remote FTP server can send 400 characters of 'F' in conjunction with the FTP 220 response code to crash the application; after this overflow, one can run arbitrary code on the victim machine. This is similar to CVE-2009-3364 and CVE-2017-6465.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 69.20% probability · 99th percentile
- Public exploits
- 2 in Exploit-DB · verified · first 8 May 2018
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- ftpshell/ftpshell client
- Source
- cve@mitre.org
EPSS moved from 60.8% on 21 September 2026 to 69.2% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (2)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://cxsecurity.com/issue/WLB-2018030011Exploit, Third Party Advisory
- https://www.exploit-db.com/exploits/44596/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/44968/Exploit, Third Party Advisory, VDB Entry
- https://cxsecurity.com/issue/WLB-2018030011Exploit, Third Party Advisory
- https://www.exploit-db.com/exploits/44596/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/44968/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.