TP-LINK TL-WR849N 0.9.1 4.16 Traceroute Shell Metacharacter os command injection

Summaryinfo

A vulnerability classified as critical has been found in TP-LINK TL-WR849N 0.9.1 4.16. Impacted is an unknown function of the component Traceroute Handler. The manipulation as part of Shell Metacharacter leads to os command injection. This vulnerability is referenced as CVE-2020-9374. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in TP-LINK TL-WR849N 0.9.1 4.16 (Router Operating System) and classified as critical. This issue affects some unknown processing of the component Traceroute Handler. The manipulation as part of a Shell Metacharacter leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

On TP-Link TL-WR849N 0.9.1 4.16 devices, a remote command execution vulnerability in the diagnostics area can be exploited when an attacker sends specific shell metacharacters to the panel's traceroute feature.

The weakness was published 02/24/2020. The identification of this vulnerability is CVE-2020-9374 since 02/24/2020. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

The exploit is available at exploit-db.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.

The vulnerability is also documented in the vulnerability database at Exploit-DB (48155). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Router Operating System

Vendor

• TP-LINK

Name

• TL-WR849N

Version

• 0.9.1 4.16

License

• commercial

Website

• Vendor: https://www.tp-link.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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