RCE in Zend.to
CVE-2025-5952
A vulnerability, which was classified as critical, has been found in Zend.To up to 6.10-6 Beta. This issue affects the function exec of the file NSSDropoff.php. The manipulation of the argument file_1 leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 6.10-7 is able to address this issue. It is recommended to upgrade the affected component. This affects a rather old version of the software. The vendor recommends updating to the latest release. Additional countermeasures have been added in 6.15-8.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.017 (76.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: +0.000
Affected products
- Zend.to — versions 6.10-6 Beta
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- matheuscezar.github.io/2025/05/24/0-day-in-zend-to.html (exploit)
Frequently asked questions
- What is CVE-2025-5952?
- CVE-2025-5952 is a high-severity vulnerability in Zend.to, classified under Command Injection. CVSS score: 7.3/10. Published 2025-06-10.
- How severe is CVE-2025-5952?
- High severity. CVSS v3 base score is 7.3 out of 10.