CVE-2019-25364

CRITICAL

MailCarrier 2.51 - Remote Code Execution via POP3 USER Command Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-25364. PoCs published by Lance Biggerstaff.

AI-analyzed exploit summary This exploit demonstrates a remote buffer overflow in Win10 MailCarrier 2.51 via the POP3 USER command. It uses a crafted payload with a reverse TCP shell to achieve remote code execution, requiring adjustments for different Windows 10 versions due to varying offsets.

Description

MailCarrier 2.51 contains a buffer overflow vulnerability in the POP3 USER command that allows remote attackers to execute arbitrary code. Attackers can send a crafted oversized buffer to the POP3 service, overwriting memory and potentially gaining remote system access.

Exploits (1)

exploitdb WORKING POC
by Lance Biggerstaff · pythonremotewindows
https://www.exploit-db.com/exploits/47554

This exploit demonstrates a remote buffer overflow in Win10 MailCarrier 2.51 via the POP3 USER command. It uses a crafted payload with a reverse TCP shell to achieve remote code execution, requiring adjustments for different Windows 10 versions due to varying offsets.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Racy
Target: Win10 MailCarrier 2.51
No auth needed
Prerequisites: Network access to the target's POP3 service (port 110) · Knowledge of the target's Windows 10 version for offset adjustment
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (3)

Core 3
Core References
Various Sources product
https://www.tabslab.com/
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/47554

Scores

CVSS v3 9.8
EPSS 0.0083
EPSS Percentile 52.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-121
Status published
Products (1)
tabslab/mailcarrier 2.51
Published Feb 18, 2026
Tracked Since Feb 19, 2026