0.0
NA
CVE-2025-63666
Tenda AC15 Authentication Bypass and Session Identification Weakness
Description

Tenda AC15 v15.03.05.18_multi) issues an authentication cookie that exposes the account password hash to the client and uses a short, low-entropy suffix as the session identifier. An attacker with network access or the ability to run JS in a victim browser can steal the cookie and replay it to access protected resources.

INFO

Published Date :

Nov. 12, 2025, 3:15 p.m.

Last Modified :

Nov. 12, 2025, 4:19 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-63666 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Implement stronger session management and secure cookie handling to prevent authentication bypass.
  • Securely generate and manage session identifiers.
  • Avoid transmitting sensitive information in cookies.
  • Implement proper session timeout mechanisms.
  • Update to a version with improved security.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-63666.

URL Resource
http://tenda.com
https://github.com/Remenis/CVE-2025-63666
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-63666 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-63666 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-63666 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-63666 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Nov. 12, 2025

    Action Type Old Value New Value
    Added Description Tenda AC15 v15.03.05.18_multi) issues an authentication cookie that exposes the account password hash to the client and uses a short, low-entropy suffix as the session identifier. An attacker with network access or the ability to run JS in a victim browser can steal the cookie and replay it to access protected resources.
    Added Reference http://tenda.com
    Added Reference https://github.com/Remenis/CVE-2025-63666
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.