CVE-2018-25252 | Serv-U FTP Voyager 16.2.0 Site Site Profile IP out-of-bounds write (Exploit 45527 / EUVD-2018-21756)
VulDBArchived Apr 04, 2026✓ Full text saved
A vulnerability classified as critical has been found in Serv-U FTP Voyager 16.2.0 . This impacts an unknown function of the component Site Handler . This manipulation of the argument Site Profile IP causes out-of-bounds write. This vulnerability is registered as CVE-2018-25252 . The attack needs to be launched locally. Furthermore, an exploit is available.
Full text archived locally
✦ AI Summary· Claude Sonnet
VDB-355376 · CVE-2018-25252 · EXPLOIT 45527
SERV-U FTP VOYAGER 16.2.0 SITE SITE PROFILE IP OUT-OF-BOUNDS WRITE
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
4.6 $0-$5k 2.06
Summaryinfo
A vulnerability classified as critical was found in Serv-U FTP Voyager 16.2.0. Affected is an unknown function of the component Site Handler. Such manipulation of the argument Site Profile IP leads to out-of-bounds write. This vulnerability is documented as CVE-2018-25252. The attack needs to be performed locally. Additionally, an exploit exists.
Detailsinfo
A vulnerability, which was classified as problematic, has been found in Serv-U FTP Voyager 16.2.0. Affected by this issue is an unknown function of the component Site Handler. The manipulation of the argument Site Profile IP with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is availability. CVE summarizes:
FTP Voyager 16.2.0 contains a denial of service vulnerability that allows local attackers to crash the application by injecting oversized buffer data into the site profile IP field. Attackers can create a malicious site profile containing 500 bytes of repeated characters and paste it into the IP field to trigger a buffer overflow that crashes the FTP Voyager process.
The weakness was released by Abdullah Alıç as 45527. The advisory is shared for download at exploit-db.com. This vulnerability is handled as CVE-2018-25252 since 04/04/2026. The exploitation is known to be easy. The attack needs to be approached locally. Technical details as well as a public exploit are known.
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 databases at Exploit-DB (45527) and EUVD (EUVD-2018-21756).
Productinfo
Type
File Transfer Software
Vendor
Serv-U
Name
FTP Voyager
Version
16.2.0
CPE 2.3info
🔒
CPE 2.2info
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CVSSv4info
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3info
VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.6
VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 6.2
CNA Vector (VulnCheck): 🔒
CVSSv2info
Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploitinginfo
Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
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
04/04/2026 Advisory disclosed
04/04/2026 +0 days CVE reserved
04/04/2026 +0 days VulDB entry created
04/04/2026 +0 days VulDB entry last update
Sourcesinfo
Advisory: 45527
Researcher: Abdullah Alıç
Status: Not defined
CVE: CVE-2018-25252 (🔒)
GCVE (CVE): GCVE-0-2018-25252
GCVE (VulDB): GCVE-100-355376
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entryinfo
Created: 04/04/2026 19:50
Updated: 04/04/2026 21:15
Changes: 04/04/2026 19:50 (82), 04/04/2026 21:15 (1)
Complete: 🔍
Cache ID: 99:40D:101
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