BYTEVALUE Flow Control Router /goform/webRead/open path os command injection

Summaryinfo

A vulnerability was found in BYTEVALUE Flow Control Router and classified as critical. This impacts an unknown function of the file /goform/webRead/open. Executing a manipulation of the argument path can lead to os command injection. This vulnerability is tracked as CVE-2023-7311. The attack can be launched remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability has been found in BYTEVALUE Flow Control Router (the affected version is unknown) and classified as very critical. This vulnerability affects an unknown code of the file /goform/webRead/open. The manipulation of the argument path 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:

BYTEVALUE Intelligent Flow Control Router contains a command injection vulnerability via the /goform/webRead/open endpoint. The `path` parameter is not properly validated and is echoed into a shell context, allowing an attacker to inject and execute arbitrary shell commands on the device. Successful exploitation can lead to writing backdoors, privilege escalation on the host, and full compromise of the router and its management functions. VulnCheck has observed this vulnerability being targeted by the Rondo botnet.

The advisory is shared for download at github.com. This vulnerability was named CVE-2023-7311 since 10/14/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/15/2025). The MITRE ATT&CK project declares the attack technique as T1202.

It is declared as highly functional.

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 EUVD (EUVD-2023-59994). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• BYTEVALUE

Name

• Flow Control Router

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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