CVE-2025-43879
CVSS v3
9.8
CRITICAL
EPSS Score
2.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
none
SSVC status
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.
Technical details
- Published
- 2025-06-24
- Last Modified
- 2026-04-15
Frequently asked questions
What is CVE-2025-43879?
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.
Is CVE-2025-43879 actively exploited?
Active exploitation of CVE-2025-43879 has not been confirmed. Its EPSS score was 2.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2025-43879?
CVE-2025-43879 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2025-43879 affecting your environment?
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