CVE-2025-43879

Description

WRH-733GBK and WRH-733GWH contain an improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability in the telnet function. If a remote unauthenticated attacker sends a specially crafted request to the affected product, an arbitrary OS command may be executed.

Category

9.3
CVSS
Severity: Critical
CVSS 4.0 •
CVSS 3.0 •
EPSS 0.55%
Affected: ELECOM CO.,LTD. WRH-733GBK
Affected: ELECOM CO.,LTD. WRH-733GWH
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2025-43879?
CVE-2025-43879 has been scored as a critical severity vulnerability.
How to fix CVE-2025-43879?
To fix CVE-2025-43879, 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-2025-43879 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-43879 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-43879?
CVE-2025-43879 affects ELECOM CO.,LTD. WRH-733GBK, ELECOM CO.,LTD. WRH-733GWH.
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