Skip to main content
No exploitation reported

CVE-2025-43879

No exploitation reported by the sources we read.

  • Published2025-06-24
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2025-06-2405:15CVE publishedNVD

Versions per branch

Products declared by the CNA

As jpcert, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • ELECOM CO.,LTD. WRH-733GBK
    Affected
    • = all versionsno fix stated
  • ELECOM CO.,LTD. WRH-733GWH
    Affected
    • = all versionsno fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-06-24

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2025-43879 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionnone2025-06-24
  • CNACVSS 4.09.3known since 2026-10-23
  • CNACVSS 3.09.8known since 2026-10-23
  • CNAweakness (CWE)CWE-78known since 2026-10-23
  • FIRST EPSSEPSS score2.2 %2026-11-09
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
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
Published
2025-06-24
Last Modified
2026-06-17
NVD status
Deferred
GitHub Advisory
GHSA-pg9g-gj66-h46r

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 2026-11-09, 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), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record