CVE-2025-34096

Easy File Sharing HTTP Server 7.2 Buffer Overflow via POST to /sendemail.ghp

Published Jul 10, 2025 CVSS 4.0 · 9.3 Critical EPSS 1.8% KEV · Not listed
Description
A stack-based buffer overflow vulnerability exists in Easy File Sharing HTTP Server version 7.2. The flaw is triggered when a crafted POST request is sent to the /sendemail.ghp endpoint containing an overly long Email parameter. The application fails to properly validate the length of this field, resulting in a memory corruption condition. An unauthenticated remote attacker can exploit this to execute arbitrary code with the privileges of the server process.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-21030 A stack-based buffer overflow vulnerability exists in Easy File Sharing HTTP Server version 7.2. The flaw is triggered when a crafted POST request is sent to the /sendemail.ghp endpoint containing an overly long Email parameter. The application fails to properly validate the length of this field, resulting in a memory corruption condition. An unauthenticated remote attacker can exploit this to execute arbitrary code with the privileges of the server process.
History
Type Values Removed Values Added
First Time appeared Efssoft
Efssoft easy File Sharing Web Server
CPEs cpe:2.3:a:efssoft:easy_file_sharing_web_server:7.2:*:*:*:*:*:*:*
Vendors & Products Efssoft
Efssoft easy File Sharing Web Server
Type Values Removed Values Added
Metrics epss

{'score': 0.00157}

epss

{'score': 0.00207}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics epss

{'score': 0.00157}

Type Values Removed Values Added
Metrics epss

{}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A stack-based buffer overflow vulnerability exists in Easy File Sharing HTTP Server version 7.2. The flaw is triggered when a crafted POST request is sent to the /sendemail.ghp endpoint containing an overly long Email parameter. The application fails to properly validate the length of this field, resulting in a memory corruption condition. An unauthenticated remote attacker can exploit this to execute arbitrary code with the privileges of the server process.
Title Easy File Sharing HTTP Server 7.2 Buffer Overflow via POST to /sendemail.ghp
Weaknesses CWE-119
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Apr 7, 2026, 2:09 PM
Reserved
Apr 15, 2025, 7:15 PM
Status
Deferred
Published
Jul 10, 2025, 8:15 PM
Modified
Jun 17, 2026, 9:13 AM