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Vulnerabilities

Vulnerability · 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.

Published Jun 24, 2025 · catalog updated Jun 26, 2025 · ELECOM CO.,LTD. WRH-733GWH

Check if you run it

No confirmed exploitation is on record for CVE-2025-43879. EPSS is 2.16%. Act only if a listed version of ELECOM CO.,LTD. WRH-733GWH is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.16%
Remediation
Advisory link
Affected products
vendor ELECOM CO.,LTD. WRH-733GWH all versions

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor ELECOM CO.,LTD. WRH-733GWH all versionsall versions

How to fix CVE-2025-43879

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-43879. EPSS is 2.16%. Act only if a listed version of ELECOM CO.,LTD. WRH-733GWH is installed.

Which versions are affected?

Compare what you have installed with ELECOM CO.,LTD. WRH-733GWH all versions all versions. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 2.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 24, 2025 · EUVD

    Detected

    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.

  2. Jun 26, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-43879

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-43879

    30-day exploitation probability 2.16%

    first.org
  • EUVDVulnerability recordEUVD-2025-18997

    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 co

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.