Overview
CVE-2025-21467 is a crucial security vulnerability that could potentially lead to a system compromise or data leakage. This weakness exploits the memory corruption occurring when reading the firmware (FW) response from the shared queue. As a result, attackers could manipulate the memory space of a system, leading to unauthorized access and potential data breaches. This vulnerability has a significant impact on all organizations using affected systems, as it can result in severe data loss and compromise the integrity of their systems.
Vulnerability Summary
CVE ID: CVE-2025-21467
Severity: High (CVSS Score 7.8)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise and potential data leakage
Affected Products
Escape the Surveillance Era
Most apps won’t tell you the truth.
They’re part of the problem.
Phone numbers. Emails. Profiles. Logs.
It’s all fuel for surveillance.
Ameeba Chat gives you a way out.
- • No phone number
- • No email
- • No personal info
- • Anonymous aliases
- • End-to-end encrypted
Chat without a trace.
Product | Affected Versions
Product A | Versions 1.0 – 3.2
Product B | Versions 2.1 – 4.5
(Note: The above product names and versions are placeholders as the actual information is not provided)
How the Exploit Works
The exploit works by sending a specially crafted request to the targeted system. This request causes the system to generate a FW response that is read from the shared queue. Due to a flaw in the system’s memory management, reading this FW response triggers memory corruption. This corruption can be leveraged by the attacker to execute arbitrary code or access sensitive data, leading to potential system compromise or data leakage.
Conceptual Example Code
Below is a conceptual example of how the vulnerability might be exploited. This represents a malicious network request that could trigger the memory corruption.
POST /vulnerable/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "exploit_trigger": "specially_crafted_request" }Mitigation
To mitigate this vulnerability, it is highly recommended to apply the vendor-supplied patch. If the patch is not available or cannot be implemented immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. These systems can monitor and block suspicious network activity, providing an additional layer of security to prevent exploitation.