CVE-2020-5634 Command injection in ELECOM LAN routers
Attackers on the same network can execute arbitrary OS commands with root privileges on ELECOM LAN routers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-5634?
CVE-2020-5634 is a high-severity command injection vulnerability in ELECOM LAN routers, published on 6 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ELECOM LAN routers (WRC-2533GST2 firmware versions prior to v1.14, WRC-1900GST2 firmware versions prior to v1.14, WRC-1750GST2 firmware versions prior to v1.14, and WRC-1167GST2 firmware versions prior to v1.10) allow an attacker on the same network segment to execute arbitrary OS commands with a root privilege via unspecified vectors.
Which versions are affected by CVE-2020-5634?
It affects 4 products.
Products include Elecom Wrc-1167gst2 Firmware, Elecom Wrc-1750gst2 Firmware, Elecom Wrc-1900gst2 Firmware, Elecom Wrc-2533gst2 Firmware.
How do I fix CVE-2020-5634?
No fix has been published for CVE-2020-5634 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2020-5634 being exploited?
There is no known exploitation of CVE-2020-5634 in the wild and no public exploit code.
Sources
Also known as GHSA-jpxf-7694-4wcf.