CVE-2019-16639Public exploitNetwork attack vector

Unauthenticated command execution via newcli.php API

Published Jul 16, 2024 · Updated Aug 5, 2024

OS command injection in Ruijie Networks RG-EG2000SE RGOS 11.9 B11P1 allows remote attackers to run TELNET commands through newcli.php. The API accepts mode_url=exec and forwards the command parameter to the gateway command interface without access control. Network access to the web interface is sufficient; commands can disclose stored administrator passwords or execute with gateway privileges.

CVSS severity9.8
Critical
EPSS probability0.82%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in Ruijie Networks RG-EG2000SE RGOS 11.9 B11P1 allows remote attackers to run TELNET commands through newcli.php. The API accepts mode_url=exec and forwards the command parameter to the gateway command interface without access control. Network access to the web interface is sufficient; commands can disclose stored administrator passwords or execute with gateway privileges.

The record

CVE
CVE-2019-16639
Published
Jul 16, 2024
Updated
Aug 5, 2024
Vendor
Ruijie Networks
Product
RG-EG2000SE
Classifications
CWE-78, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=11.9b11p1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Ruijie Networks · RG-EG2000SEversion=11.9b11p1

Published CVSS scores

9.8CISA ADP VulnrichmentCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1190Exploit Public-Facing Application

Public exploit references

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Technologies

Your stack

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Your stack

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