CVE-2019-25626

HIGH

River Past Cam Do 3.7.6 Local Buffer Overflow in Activation Code

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-25626. PoCs published by Chris Au.

AI-analyzed exploit summary This is a functional local buffer overflow exploit for River Past Cam Do 3.7.6, leveraging a structured exception handler (SEH) overwrite to achieve arbitrary code execution (calc.exe). The exploit generates a malicious activation code file that triggers the vulnerability when pasted into the application.

Description

River Past Cam Do 3.7.6 contains a local buffer overflow vulnerability in the activation code input field that allows local attackers to execute arbitrary code by supplying a malicious activation code string. Attackers can craft a buffer containing 608 bytes of junk data followed by shellcode and SEH chain overwrite values to trigger code execution when the activation dialog processes the input.

Exploits (1)

exploitdb WORKING POC
by Chris Au · pythonlocalwindows
https://www.exploit-db.com/exploits/46670

This is a functional local buffer overflow exploit for River Past Cam Do 3.7.6, leveraging a structured exception handler (SEH) overwrite to achieve arbitrary code execution (calc.exe). The exploit generates a malicious activation code file that triggers the vulnerability when pasted into the application.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: River Past Cam Do 3.7.6
No auth needed
Prerequisites: Victim must paste the malicious activation code into the application
devstral-2 · analyzed Mar 24, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit exploit
ExploitDB-46670
https://www.exploit-db.com/exploits/46670
Product product
Official Product Homepage
http://www.flexhex.com
Third Party Advisory third-party-advisory
VulnCheck Advisory: River Past Cam Do 3.7.6 Local Buffer Overflow in Activation Code
https://www.vulncheck.com/advisories/river-past-cam-do-local-buffer-overflow-in-activation-code

Scores

CVSS v3 8.4
EPSS 0.0024
EPSS Percentile 15.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-434
Status published
Products (2)
Flexhex/River Past Cam Do 3.7.6
river_past_cam_do_project/river_past_cam_do < 3.7.6
Published Mar 24, 2026
Tracked Since Mar 24, 2026