CVE-2018-25261

HIGH

Iperius Backup 5.8.1 Local Buffer Overflow SEH

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-25261. PoCs published by bzyo.

AI-analyzed exploit summary This exploit demonstrates a buffer overflow vulnerability in Iperius Backup 5.8.1, leveraging SEH overwrite with a Unicode-compatible payload to achieve remote code execution (calc.exe). The exploit uses a crafted text file to trigger the overflow when processed by the application.

Description

Iperius Backup 5.8.1 contains a local buffer overflow vulnerability in the structured exception handling (SEH) mechanism that allows local attackers to execute arbitrary code by supplying a malicious file path. Attackers can create a backup job with a crafted payload in the external file location field that triggers a buffer overflow when the backup job executes, enabling code execution with application privileges.

Exploits (1)

exploitdb WORKING POC
by bzyo · pythonlocalwindows_x86
https://www.exploit-db.com/exploits/46059

This exploit demonstrates a buffer overflow vulnerability in Iperius Backup 5.8.1, leveraging SEH overwrite with a Unicode-compatible payload to achieve remote code execution (calc.exe). The exploit uses a crafted text file to trigger the overflow when processed by the application.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Iperius Backup 5.8.1
No auth needed
Prerequisites: Iperius Backup 5.8.1 installed on Windows 7 SP1 x86 · User interaction to create and run a backup job with the malicious file
devstral-2 · analyzed Apr 22, 2026 Full analysis →

References (3)

Core 3
Core References
Product product
Official Product Homepage
https://www.iperiusbackup.com
Third Party Advisory third-party-advisory
VulnCheck Advisory: Iperius Backup 5.8.1 Local Buffer Overflow SEH
https://www.vulncheck.com/advisories/iperius-backup-local-buffer-overflow-seh
Exploit exploit
ExploitDB-46059
https://www.exploit-db.com/exploits/46059

Scores

CVSS v3 8.4
EPSS 0.0021
EPSS Percentile 10.5%
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-787
Status published
Products (2)
entersrl/iperius_backup 5.8.1
Iperiusbackup/Iperius Backup 5.8.1
Published Apr 22, 2026
Tracked Since Apr 22, 2026