Multiple vulnerabilities in TP-Link TL-WR940N and TL-WR941ND routers



Published: 2019-07-08 | Updated: 2019-07-15
Risk Low
Patch available NO
Number of vulnerabilities 2
CVE-ID N/A
CWE-ID CWE-352
CWE-799
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		TL-WR941ND
Hardware solutions / Routers for home users

TL-WR940N
Hardware solutions / Routers for home users

Vendor TP-Link

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site request forgery

EUVDB-ID: #VU19057

Risk: Low

CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: N/A

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and get a remote access to the affected devices.

The vulnerability affects TP-Link TL-WR940N and TL-WR941ND with firmware version 3.16.9 Build 151216.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

TL-WR941ND: All versions

TL-WR940N: All versions

External links

http://packetstormsecurity.com/files/download/153548/tplinktlwr940nwr941nd-xsrf.txt


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) Improper control of interaction frequency

EUVDB-ID: #VU19058

Risk: Low

CVSSv3.1: 4.5 [CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:U/RC:C]

CVE-ID: N/A

CWE-ID: CWE-799 - Improper Control of Interaction Frequency

Exploit availability: No

Description

The vulnerability allows a local attacker to perform brute-force attack. 
The vulnerability exist due to the missing protection from BF attacks in login form. A local attacker can brute-force passwords on the affected devices.

The vulnerability affects TP-Link TL-WR940N and TL-WR941ND with firmware version 3.16.9 Build 151216


Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

TL-WR941ND: All versions

TL-WR940N: All versions

External links

http://packetstormsecurity.com/files/download/153548/tplinktlwr940nwr941nd-xsrf.txt


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

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.

The attacker would have to login to the system and perform certain actions 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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