CVE-2025-43879 is a critical OS command injection vulnerability affecting ELECOM WRH-733GBK and WRH-733GWH devices, specifically within their telnet function. This flaw allows a remote, unauthenticated attacker to execute arbitrary OS commands by sending a specially crafted request. With a CVSS score of 9.8 (CRITICAL), the vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), community discussion indicates awareness and recommends disabling telnet as a mitigation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| ELECOM CO.,LTD. | WRH-733GBK | all versionsCNA affected | |
| ELECOM CO.,LTD. | WRH-733GWH | all versionsCNA affected |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.