CVE-2021-20852

Description

Buffer overflow vulnerability in ELECOM LAN routers (WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior) allows a network-adjacent attacker with an administrator privilege to execute an arbitrary OS command via unspecified vectors.

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.15%
Vendor Advisory co.jp
Affected: ELECOM CO.,LTD. ELECOM LAN routers
Published at:
Updated at:

References

Link Tags
https://www.elecom.co.jp/news/security/20211130-01/ vendor advisory
https://jvn.jp/en/jp/JVN88993473/index.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20852?
CVE-2021-20852 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20852?
To fix CVE-2021-20852, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20852 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20852 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20852?
CVE-2021-20852 affects ELECOM CO.,LTD. ELECOM LAN routers.
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