ASUS RT-AX3000/ZenWiFi AX/RT-AX88U IPv6 Router Advertisement infinite loop

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in ASUS RT-AX3000, ZenWiFi AX and RT-AX88U and classified as problematic. The affected element is an unknown function of the component IPv6 Router Advertisement Handler. The manipulation leads to infinite loop. This vulnerability is referenced as CVE-2021-3128. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in ASUS RT-AX3000, ZenWiFi AX and RT-AX88U (Wireless LAN Software) (the affected version unknown) and classified as problematic. This issue affects an unknown part of the component IPv6 Router Advertisement Handler. The manipulation with an unknown input leads to a infinite loop vulnerability. Using CWE to declare the problem leads to CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. Impacted is availability.

The weakness was published 04/13/2021. The advisory is shared at asus.com. The identification of this vulnerability is CVE-2021-3128. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: 🔍

Timelineinfo

01/12/2021 🔍
04/13/2021 +90 days 🔍
04/13/2021 +0 days 🔍
04/16/2021 +3 days 🔍

Sourcesinfo

Vendor: asus.com

Advisory: asus.com
Status: Confirmed

CVE: CVE-2021-3128 (🔍)
GCVE (CVE): GCVE-0-2021-3128
GCVE (VulDB): GCVE-100-172805

Entryinfo

Created: 04/13/2021 10:54
Updated: 04/16/2021 11:13
Changes: 04/13/2021 10:54 (37), 04/16/2021 11:13 (5)
Complete: 🔍
Cache ID: 216::103

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