TP-LINK WDR4300 -/130617 GET Request resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

A vulnerability was found in TP-LINK WDR4300 -/130617. It has been rated as problematic. This issue affects an unknown part of the component GET Request Handler. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

The web server in the TP-LINK N750 Wireless Dual Band Gigabit Router (TL-WDR4300) with firmware before 140916 allows remote attackers to cause a denial of service (crash) via a long header in a GET request.

The weakness was shared 09/21/2014 by Oz Elisyan as confirmed posting (Bugtraq). It is possible to read the advisory at archives.neohapsis.com. The identification of this vulnerability is CVE-2014-4728 since 07/08/2014. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Oz Elisyan in Python and been published immediately after the advisory. The exploit is available at elisyan.com. It is declared as functional. The vulnerability was handled as a non-public zero-day exploit for at least 74 days. During that time the estimated underground price was around $0-$5k.

A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (96140). seclists.org is providing further details. The entry 67678 is related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.3
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Functional
Author: Oz Elisyan
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

07/04/2014 🔍
07/08/2014 +4 days 🔍
09/16/2014 +70 days 🔍
09/21/2014 +5 days 🔍
09/21/2014 +0 days 🔍
09/21/2014 +0 days 🔍
09/24/2014 +3 days 🔍
09/30/2014 +6 days 🔍
02/20/2022 +2700 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: 128343
Researcher: Oz Elisyan
Status: Confirmed

CVE: CVE-2014-4728 (🔍)
X-Force: 96140 - TP-LINK WDR4300 denial of service, Medium Risk
SecurityFocus: 70037 - TP-LINK WDR4300 HTML Injection and Denial of Service Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 09/24/2014 11:28
Updated: 02/20/2022 22:52
Changes: 09/24/2014 11:28 (51), 03/08/2019 20:36 (17), 02/20/2022 22:52 (3)
Complete: 🔍

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