PLDT PGN6401V 0.93.15 /boaform/formPing6 pingAddr os command injection

Summaryinfo

A vulnerability classified as critical was found in PLDT PGN6401V 0.93.15. Affected is an unknown function of the file /boaform/formPing6. Executing a manipulation of the argument pingAddr can lead to os command injection. This vulnerability is registered as CVE-2025-56498. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in PLDT PGN6401V 0.93.15 and classified as critical. This vulnerability affects an unknown function of the file /boaform/formPing6. The manipulation of the argument pingAddr with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An OS command injection vulnerability exists in PLDT WiFi Router's Prolink PGN6401V Firmware 8.1.2 web management interface. The ping6.asp page submits user input to the /boaform/formPing6 endpoint via the pingAddr parameter, which is not properly sanitized. An authenticated attacker can exploit this flaw by injecting arbitrary system commands, which are executed by the underlying operating system with root privileges. The router uses the Boa web server (version 0.93.15) to handle the request. Successful exploitation can lead to full system compromise and unauthorized control of the network device.

The advisory is shared for download at prolink2u.com. This vulnerability was named CVE-2025-56498 since 08/17/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/03/2025). The MITRE ATT&CK project declares the attack technique as T1202.

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

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Productinfo

Vendor

• PLDT

Name

• PGN6401V

Version

• 0.93.15

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