#VU67063 Code Injection in DIR-820L - CVE-2022-26258

Vulnerability identifier: #VU67063

Vulnerability risk: High

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2022-26258

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
DIR-820L
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: D-Link

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in the Device Name parameter in /lan.asp. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

DIR-820L: 1.05B03

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External links
https://www.dlink.com/en/security-bulletin/
https://dir-820l.com
https://dlink.com
https://github.com/skyedai910/Vuln/tree/master/DIR-820L/command_execution_0

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.