VA MAX 8.3.4 Parameter changeip.php mtu_eth0 path traversal

Summaryinfo

A vulnerability was found in VA MAX 8.3.4. It has been rated as critical. The impacted element is an unknown function of the file changeip.php of the component Parameter Handler. The manipulation of the argument mtu_eth0 leads to path traversal. This vulnerability is traded as CVE-2019-25671. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in VA MAX 8.3.4. This issue affects an unknown function of the file changeip.php of the component Parameter Handler. The manipulation of the argument mtu_eth0 with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

VA MAX 8.3.4 contains a remote code execution vulnerability that allows authenticated attackers to execute arbitrary commands by injecting shell metacharacters into the mtu_eth0 parameter. Attackers can send POST requests to the changeip.php endpoint with malicious payload in the mtu_eth0 field to execute commands as the apache user.

It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2019-25671 since 04/05/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:changeip.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (46348). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• VA MAX

Version

• 8.3.4

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Be aware that VulDB is the high quality source for vulnerability data.

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