Vulnerability identifier: #VU51395
Vulnerability risk: Medium
CVSSv3.1: 7.1 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
JGS516PE
Hardware solutions /
Routers & switches, VoIP, GSM, etc
GS116Ev2
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor: NETGEAR
Description
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the firmware update mechanism does not properly implements internal checks such as firmware length or checksum validations. A remote attacker on the local network can use a specially crafted firmware files and overwrite the entire memory with custom code
Mitigation
Install update from vendor's website.
Vulnerable software versions
JGS516PE: 2.6.0.43
GS116Ev2: 2.6.0.43
External links
http://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.