CVE-2019-25686 | Coreftp Core FTP 2.0 PBSZ Command missing authentication (Exploit 46532 / EDB-46532)

VDB-355460 · CVE-2019-25686 · EXPLOIT 46532 COREFTP CORE FTP 2.0 PBSZ COMMAND MISSING AUTHENTICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.0 $0-$5k 0.22+ Summaryinfo A vulnerability classified as critical was found in Coreftp Core FTP 2.0. The affected element is an unknown function of the component PBSZ Command Handler. Such manipulation leads to missing authentication. This vulnerability is referenced as CVE-2019-25686. It is possible to launch the attack remotely. Furthermore, an exploit is available. Detailsinfo A vulnerability was found in Coreftp Core FTP 2.0 and classified as critical. Affected by this issue is an unknown function of the component PBSZ Command Handler. The manipulation with an unknown input leads to a missing authentication vulnerability. Using CWE to declare the problem leads to CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. Impacted is confidentiality, integrity, and availability. CVE summarizes: 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. The advisory is shared for download at exploit-db.com. This vulnerability is handled as CVE-2019-25686 since 04/05/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. The exploit is available at exploit-db.com. It is declared as proof-of-concept. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. The vulnerability is also documented in the vulnerability database at Exploit-DB (46532). Productinfo Vendor Coreftp Name Core FTP Version 2.0 CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 7.4 VulDB Meta Temp Score: 7.0 VulDB Base Score: 7.3 VulDB Temp Score: 6.6 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 7.5 CNA Vector (VulnCheck): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Missing authentication CWE: CWE-306 / CWE-287 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Exploit-DB: 🔒 Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/05/2026 CVE reserved 04/06/2026 +1 days Advisory disclosed 04/06/2026 +0 days VulDB entry created 04/06/2026 +0 days VulDB entry last update Sourcesinfo Advisory: 46532 Status: Not defined CVE: CVE-2019-25686 (🔒) GCVE (CVE): GCVE-0-2019-25686 GCVE (VulDB): GCVE-100-355460 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/06/2026 08:05 Changes: 04/06/2026 08:05 (79) Complete: 🔍 Cache ID: 99:213:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸