Improper Verification of Cryptographic Signature in NETGEAR RAX30

1) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU82968

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: N/A

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

Exploit availability: No

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to improper firmware signature scheme. A local administrator can update victim’s firmware with non-NETGEAR firmware

Mitigation

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

Vulnerable software versions

RAX30: All versions

External links

http://kb.netgear.com/000065861/Security-Advisory-for-Improper-Firmware-Signature-Scheme-on-the-RAX30-PSV-2023-0100

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.