CVE-2025-15217
Remote Buffer Overflow in Tenda AC23 HTTP POST Handler
Publication date: 2025-12-30
Last updated on: 2026-02-24
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| tenda | ac23 | 16.03.07.52 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-120 | The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer. |
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a buffer overflow flaw in the Tenda AC23 router firmware version 16.03.07.52, specifically in the function formSetPPTPUserList of the HTTP POST Request Handler component. An attacker can remotely manipulate the argument list to trigger the buffer overflow.
How can this vulnerability impact me? :
Exploitation of this vulnerability can lead to severe impacts including potential remote code execution, denial of service, or unauthorized access due to the buffer overflow. The CVSS scores indicate high severity with impacts on confidentiality, integrity, and availability.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The provided resources do not contain information regarding the impact of this vulnerability on compliance with common standards and regulations such as GDPR or HIPAA.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by monitoring for crafted HTTP POST requests targeting the formSetPPTPUserList endpoint on the Tenda AC23 router firmware version 16.03.07.52. Detection involves inspecting network traffic for unusual or malformed POST requests to this endpoint that manipulate the argument list. Specific commands are not provided in the resources, but network packet capture tools like tcpdump or Wireshark can be used to filter HTTP POST requests to the vulnerable endpoint for further analysis. [1, 2]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include replacing the affected Tenda AC23 router running firmware version 16.03.07.52 with an alternative product, as no known mitigations or countermeasures have been identified. Avoid exposing the device to untrusted networks and restrict access to the HTTP POST Request Handler if possible to reduce the attack surface. [2]