Buffer Overflow Vulnerability in ELECOM LAN Routers
CVE-2021-20852

6.8MEDIUM

Key Information:

Vendor

Elecom Co.,ltd.

Status
Elecom Lan Routers
Vendor
CVE Published:
1 December 2021

What is CVE-2021-20852?

A buffer overflow vulnerability exists in certain ELECOM LAN routers, specifically the WRH-733GBK and WRH-733GWH models with firmware versions v1.02.9 and prior. This flaw allows an attacker with network access and administrator privileges to execute arbitrary operating system commands through unspecified vectors, potentially leading to unauthorized actions on the affected device. Users are advised to update their firmware promptly to mitigate the risk associated with this vulnerability.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

ELECOM LAN routers WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior

References

https://www.elecom.co.jp/news/security/20211130-01/
x_refsource_MISC
https://jvn.jp/en/jp/JVN88993473/index.html
x_refsource_MISC

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.