Overview
This report addresses a significant vulnerability, CVE-2025-32455, found within the Quantenna Wi-Fi chipset. This particular vulnerability may allow attackers to inject malicious commands, potentially leading to system compromise or data leakage. Given the common use of this Wi-Fi chipset, the impact of this vulnerability could be widespread, affecting a significant number of devices and systems.
Vulnerability Summary
CVE ID: CVE-2025-32455
Severity: High (CVSS: 7.7)
Attack Vector: Local
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Quantenna Wi-Fi Chipset | Up to version 8.0.0.28
How the Exploit Works
The Quantenna Wi-Fi chipset includes a local control script, router_command.sh, which is used in the run_cmd argument. This script is vulnerable to command injection, an instance of CWE-88 or “Improper Neutralization of Argument Delimiters in a Command (‘Argument Injection’).” This vulnerability lets attackers execute arbitrary commands in the context of the script. Since the script doesn’t properly neutralize argument delimiters, an attacker can inject commands that the system runs with the same privileges as the script itself.
Conceptual Example Code
The following is a conceptual example of how this vulnerability might be exploited:
./router_command.sh '; rm -rf /' # This is a destructive command. DO NOT run.In this example, the semicolon acts as a command delimiter, allowing the attacker to inject a secondary command (`rm -rf /`) that the system runs as if it were part of the original script. This particular command would delete all files within the system, demonstrating the potential severity of this vulnerability.
Mitigation Guidance
As of the time of this report, the vendor appears to have not yet patched this vulnerability. However, they’ve released a best practices guide for implementors of the chipset. In the interim period before a patch is available, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can help mitigate potential attacks. Once the vendor provides a patch, it should be applied immediately to all affected systems.