Overview
The identified vulnerability, CVE-2025-55564, is a security risk that impacts Tenda AC15 v15.03.05.19_multi_TD01. This report highlights the severity and potential risks associated with the vulnerability, which could potentially lead to system compromise or sensitive data leakage. As a stack overflow vulnerability, it poses a significant threat to organizations using the affected versions of Tenda AC15, potentially granting unauthorized access and control to attackers.
Vulnerability Summary
CVE ID: CVE-2025-55564
Severity: High (7.5 CVSS)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Tenda AC15 | v15.03.05.19_multi_TD01
How the Exploit Works
The exploit works by an attacker sending a specially crafted request with an oversized “list” parameter to the “fromSetIpMacBind” function. The function fails to properly validate the length of the input, leading to a stack overflow. This overflow could potentially corrupt the system’s memory, allowing the attacker to execute arbitrary code or disrupt the system’s normal operations.
Conceptual Example Code
Here’s a conceptual example that demonstrates how the vulnerability might be exploited:
POST /fromSetIpMacBind HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
list=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIn this example, the “list” parameter contains an excessively long string of “A” characters, which could potentially trigger the stack overflow.
Mitigation
Users of the affected Tenda AC15 v15.03.05.19_multi_TD01 are advised to apply the patch provided by the vendor as soon as possible. If the patch cannot be applied immediately, utilizing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be considered as a temporary mitigation measure.
