Vulnerability identifier: #VU63218

Vulnerability risk: Medium

CVSSv3.1: 8.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-26780

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
InRouter302
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: InHand Networks

Description

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

The vulnerability exists due to a boundary error in the libnvram.so nvram_import functionality in the httpd’s user_define_init function. A remote user can trigger stack-based buffer overflow and execute arbitrary code on the target system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

InRouter302: 3.5.37

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External links
http://www.inhandnetworks.com/upload/attachment/202205/10/InHand-PSA-2022-01.pdf
http://talosintelligence.com/vulnerability_reports/TALOS-2022-1481

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.