Remote Code Execution Vulnerability in VA MAX by VA Software
CVE-2019-25671

8.7HIGH

Key Information:

Vendor

Va Max

Status
Va Max
Vendor
CVE Published:
5 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-25671?

The VA MAX 8.3.4 software contains a vulnerability that allows authenticated attackers to execute arbitrary commands on the server. This is achieved by injecting shell metacharacters into the mtu_eth0 parameter, which is processed by the changeip.php endpoint. By sending specially crafted POST requests, attackers can execute commands under the permissions of the apache user, potentially compromising the integrity of the affected system.

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Affected Version(s)

VA MAX 8.3.4

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2019-25671 - Proof of Concept

References

https://www.exploit-db.com/exploits/46348
exploit
https://www.vulncheck.com/advisories/va-max-remote-code-e...
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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