9.8
CRITICAL
CVE-2024-42547
TOTOLINK A3100R Remote Buffer Overflow
Description

TOTOLINK A3100R V4.1.2cu.5050_B20200504 has a buffer overflow vulnerability in the http_host parameter in the loginauth function.

INFO

Published Date :

Aug. 12, 2024, 7:15 p.m.

Last Modified :

Aug. 13, 2024, 5:08 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2024-42547 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.

ID Vendor Product Action
1 Totolink a3100r_firmware
2 Totolink a3100r
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-2024-42547.

URL Resource
https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3100R/loginauth.md Exploit Third Party Advisory

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-2024-42547 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-42547 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.

  • Initial Analysis by [email protected]

    Aug. 13, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3100R/loginauth.md No Types Assigned https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3100R/loginauth.md Exploit, Third Party Advisory
    Added CWE NIST CWE-120
    Added CPE Configuration AND OR *cpe:2.3:o:totolink:a3100r_firmware:4.1.2cu.5050_b20200504:*:*:*:*:*:*:* OR cpe:2.3:h:totolink:a3100r:-:*:*:*:*:*:*:*
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 13, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-120
    Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE Received by [email protected]

    Aug. 12, 2024

    Action Type Old Value New Value
    Added Description TOTOLINK A3100R V4.1.2cu.5050_B20200504 has a buffer overflow vulnerability in the http_host parameter in the loginauth function.
    Added Reference MITRE https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3100R/loginauth.md [No types assigned]
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-42547 is associated with the following CWEs:

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability