CVE-2025-34121 CRITICAL

CVE-2025-34121: Idera Up.Time ≤ 7.2 post2file.php Arbitrary File Upload RCE

Vendor Idera
Product Up.Time Monitoring Station
Weakness CWE-434 · Unrestricted file upload
Published July 16, 2025
Last update May 15, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

An unauthenticated arbitrary file upload vulnerability exists in Idera Up.Time Monitoring Station versions up to and including 7.2. The `wizards/post2file.php` script accepts arbitrary POST parameters, allowing attackers to upload crafted PHP files to the webroot. Successful exploitation results in remote code execution as the web server user. NOTE: The bypass for this vulnerability is tracked as CVE-2015-9263.

Key dates

02Disclosure timeline

July 16, 2025 CVE published
May 15, 2026 Record updated