Multiple vulnerabilities in ASUS Routers



| Updated: 2023-06-20
Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2022-38105
CVE-2022-38393
CVE-2022-35401
CWE-ID CWE-119
CWE-125
CWE-324
Exploitation vector Network
Public exploit N/A
Vulnerable software
 RT-AX82U
Hardware solutions / Routers & switches, VoIP, GSM, etc

GT6
Hardware solutions / Routers & switches, VoIP, GSM, etc

GT-AXE16000
Hardware solutions / Routers & switches, VoIP, GSM, etc

GT-AXE11000 PRO
Hardware solutions / Routers & switches, VoIP, GSM, etc

GT-AXE11000
Hardware solutions / Routers & switches, VoIP, GSM, etc

GT-AX6000
Hardware solutions / Routers & switches, VoIP, GSM, etc

GT-AX11000
Hardware solutions / Routers & switches, VoIP, GSM, etc

GS-AX5400
Hardware solutions / Routers & switches, VoIP, GSM, etc

GS-AX3000
Hardware solutions / Routers & switches, VoIP, GSM, etc

ZenWiFi XT9
Hardware solutions / Routers & switches, VoIP, GSM, etc

ZenWiFi XT8
Hardware solutions / Routers & switches, VoIP, GSM, etc

ZenWiFi XT8_V2
Hardware solutions / Routers & switches, VoIP, GSM, etc

RT-AX86U PRO
Hardware solutions / Routers & switches, VoIP, GSM, etc

RT-AX86U
Hardware solutions / Routers & switches, VoIP, GSM, etc

RT-AX86S
Hardware solutions / Routers & switches, VoIP, GSM, etc

RT-AX58U
Hardware solutions / Routers & switches, VoIP, GSM, etc

RT-AX3000
Hardware solutions / Routers & switches, VoIP, GSM, etc

TUF-AX6000
Hardware solutions / Routers & switches, VoIP, GSM, etc

TUF-AX5400
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Asus

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

Updated 20.06.2023

Added vulnerable products.

1) Buffer overflow

EUVDB-ID: #VU71216

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-38105

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary error in the cm_processREQ_NC opcode. A remote attacker can trigger memory corruption and gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

RT-AX82U: 3.0.0.4.386_49674-ge182230

GT6: before 3.0.0.4.388.23145

GT-AXE16000: before 3.0.0.4.388.23012

GT-AXE11000 PRO: before 3.0.0.4.388.23285

GT-AXE11000: before 3.0.0.4.388.23482

GT-AX6000: before 3.0.0.4.388.23285

GT-AX11000: before 3.0.0.4.388.23285

GS-AX5400: before 3.0.0.4.388.23012

GS-AX3000: before 1.4.8.3

ZenWiFi XT9: before 3.0.0.4.388.23285

ZenWiFi XT8: before 3.0.0.4.388.23285

ZenWiFi XT8_V2: before 3.0.0.4.388.23285

RT-AX86U PRO: before 3.0.0.4.388.23285

RT-AX86U: before 3.0.0.4.388.23285

RT-AX86S: before 3.0.0.4.388.23285

RT-AX58U: before 3.0.0.4.388.23403

RT-AX3000: before 3.0.0.4.388.23403

TUF-AX6000: before 3.0.0.4.388.31927

TUF-AX5400: before 3.0.0.4.388.23285

CPE2.3 External links

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1590
https://www.hkcert.org/security-bulletin/asus-router-multiple-vulnerabilities_20230620
https://www.asus.com/content/asus-product-security-advisory/#06/19/2023


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Out-of-bounds read

EUVDB-ID: #VU71217

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-38393

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in the cfg_server cm_processConnDiagPktList opcode. A remote attacker can trigger out-of-bounds read error and cause a denial of service condition on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

RT-AX82U: 3.0.0.4.386_49674-ge182230

GT6: before 3.0.0.4.388.23145

GT-AXE16000: before 3.0.0.4.388.23012

GT-AXE11000 PRO: before 3.0.0.4.388.23285

GT-AXE11000: before 3.0.0.4.388.23482

GT-AX6000: before 3.0.0.4.388.23285

GT-AX11000: before 3.0.0.4.388.23285

GS-AX5400: before 3.0.0.4.388.23012

GS-AX3000: before 1.4.8.3

ZenWiFi XT9: before 3.0.0.4.388.23285

ZenWiFi XT8: before 3.0.0.4.388.23285

ZenWiFi XT8_V2: before 3.0.0.4.388.23285

RT-AX86U PRO: before 3.0.0.4.388.23285

RT-AX86U: before 3.0.0.4.388.23285

RT-AX86S: before 3.0.0.4.388.23285

RT-AX58U: before 3.0.0.4.388.23403

RT-AX3000: before 3.0.0.4.388.23403

TUF-AX6000: before 3.0.0.4.388.31927

TUF-AX5400: before 3.0.0.4.388.23285

CPE2.3 External links

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1592
https://www.hkcert.org/security-bulletin/asus-router-multiple-vulnerabilities_20230620
https://www.asus.com/content/asus-product-security-advisory/#06/19/2023


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Use of a Key Past its Expiration Date

EUVDB-ID: #VU71218

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-35401

CWE-ID: CWE-324 - Use of a Key Past its Expiration Date

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to authentication bypass issue in the get_IFTTTTtoken.cgi functionality. A remote attacker can send specially crafted HTTP requests and gain full administrative access to the device.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

RT-AX82U: 3.0.0.4.386_49674-ge182230

GT6: before 3.0.0.4.388.23145

GT-AXE16000: before 3.0.0.4.388.23012

GT-AXE11000 PRO: before 3.0.0.4.388.23285

GT-AXE11000: before 3.0.0.4.388.23482

GT-AX6000: before 3.0.0.4.388.23285

GT-AX11000: before 3.0.0.4.388.23285

GS-AX5400: before 3.0.0.4.388.23012

GS-AX3000: before 1.4.8.3

ZenWiFi XT9: before 3.0.0.4.388.23285

ZenWiFi XT8: before 3.0.0.4.388.23285

ZenWiFi XT8_V2: before 3.0.0.4.388.23285

RT-AX86U PRO: before 3.0.0.4.388.23285

RT-AX86U: before 3.0.0.4.388.23285

RT-AX86S: before 3.0.0.4.388.23285

RT-AX58U: before 3.0.0.4.388.23403

RT-AX3000: before 3.0.0.4.388.23403

TUF-AX6000: before 3.0.0.4.388.31927

TUF-AX5400: before 3.0.0.4.388.23285

CPE2.3 External links

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1586
https://www.hkcert.org/security-bulletin/asus-router-multiple-vulnerabilities_20230620
https://www.asus.com/content/asus-product-security-advisory/#06/19/2023


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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