VDB-195639 · CVE-2021-45757 · GCVE-0-2021-45757

Asus RT-AC68U up to 3.0.0.4.385.20852 blocking.cgi denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Asus RT-AC68U up to 3.0.0.4.385.20852 and classified as problematic. This issue affects some unknown processing of the file blocking.cgi. Performing a manipulation results in denial of service. This vulnerability is cataloged as CVE-2021-45757. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Asus RT-AC68U up to 3.0.0.4.385.20852. It has been classified as problematic. This affects an unknown part of the file blocking.cgi. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was shared 03/23/2022. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-45757 since 12/27/2021. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Asus

Name

RT-AC68U

Version

3.0.0.4.385.20852

License

commercial

Website

Vendor: https://www.asus.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.7
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/27/2021 🔍
03/23/2022 +86 days 🔍
03/23/2022 +0 days 🔍
03/25/2022 +2 days 🔍

Sourcesinfo

Vendor: asus.com

Advisory: github.com
Status: Not defined

CVE: CVE-2021-45757 (🔍)
GCVE (CVE): GCVE-0-2021-45757
GCVE (VulDB): GCVE-100-195639
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/23/2022 18:17
Updated: 03/25/2022 09:47
Changes: 03/23/2022 18:17 (40), 03/25/2022 09:47 (1)
Complete: 🔍
Cache ID: 216::103