Asus RT-AX88U prior 3.0.0.4.388.20558 HTTP Response interpretation conflict

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Asus RT-AX88U. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the component HTTP Response Handler. The manipulation leads to interpretation conflict. This vulnerability is uniquely identified as CVE-2021-41437. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Asus RT-AX88U. It has been rated as critical. This issue affects an unknown code block of the component HTTP Response Handler. The manipulation with an unknown input leads to a interpretation conflict vulnerability. Using CWE to declare the problem leads to CWE-436. Product A handles inputs or steps differently than Product B, which causes A to perform incorrect actions based on its perception of B's state. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An HTTP response splitting attack in web application in ASUS RT-AX88U before v3.0.0.4.388.20558 allows an attacker to craft a specific URL that if an authenticated victim visits it, the URL will give access to the cloud storage of the attacker.

The weakness was disclosed 09/27/2022. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2021-41437 since 09/20/2021. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 3.0.0.4.388.20558 eliminates this vulnerability. The upgrade is hosted for download at asus.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Interpretation conflict
CWE: CWE-436
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: RT-AX88U 3.0.0.4.388.20558

Timelineinfo

09/20/2021 🔍
09/27/2022 +372 days 🔍
09/27/2022 +0 days 🔍
05/21/2025 +967 days 🔍

Sourcesinfo

Vendor: asus.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-41437 (🔍)
GCVE (CVE): GCVE-0-2021-41437
GCVE (VulDB): GCVE-100-209627

Entryinfo

Created: 09/27/2022 08:49
Updated: 05/21/2025 22:00
Changes: 09/27/2022 08:49 (49), 05/21/2025 22:00 (15)
Complete: 🔍
Cache ID: 216::103

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