CVE-2025-5952 | BDVDB-2026-281815 Detail

Zend.To

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact low. Attack vector: network.

Weaknesses#

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

References#

Exploit#

https://matheuscezar.github.io/2025/05/24/0-day-in-zend-to.html

History#

Version 12025-06-10Record published in the CVE List.

Published

Published: 2025-06-10
Last modified: 2025-06-10

Vendor information

Vendor: Not stated
Product: Zend.To

Score

7.3 High

EPSS

1.7%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 77.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Command Injection

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
6.10-6 Beta
Fixed
Not stated

Scoring System

CVSS v4.0

6.9 Medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	None
User Interaction	None
Vulnerable System Confidentiality	Low
Vulnerable System Integrity	Low
Vulnerable System Availability	Low
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

7.3 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	Low
Availability	Low

CVSS v3.0

7.3 High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	Low
Availability	Low

CVSS v2

7.5 High

AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Metric breakdown
Access Vector	Network
Access Complexity	Low
Authentication	None
Confidentiality Impact	Partial
Integrity Impact	Partial
Availability Impact	Partial

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).