CVE-2019-16640: An issue was found in upload.php on the Ruijie EG-2000 series gateway

This month

HIGH 7.5REMOTEMITIGATE

CVE-2019-16640 is a high-severity flaw (CVSS 7.5) affecting eg-2000se firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was found in upload.php on the Ruijie EG-2000 series gateway. A parameter passed to the class UploadFile is mishandled (%00 and /var/./html are not checked), which can allow an attacker to upload any file to the gateway. This affects EG-2000SE EG_RGOS 11.9 B11P1.

Why this priority

High severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-284
Published	2024-07-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ruijie

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-07-16 17:15 UTCPublished CVE record published
2026-06-17 02:22 UTCUpdated Record last modified

ruijie eg-2000se firmware MITIGATE

Affected: 11.1\(1\)b1 · 11.9_b11p1

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-16640?

eg-2000se firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-16640 being exploited?

CVE-2019-16640 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-16640 affect?

CVE-2019-16640 affects eg-2000se firmware. Severity is high (CVSS 7.5). An issue was found in upload.php on the Ruijie EG-2000 series gateway. A parameter passed to the class UploadFile is mishandled (%00 and /var/./html are not checked), which can allow an attacker to upload any file to the gateway. This affec

How urgent is CVE-2019-16640?

Priority 41/100. High severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2019-16641 HIGH 8.4 MITIGATE An issue was found on the Ruijie EG-2000 series gateway
CVE-2019-16639 CRITICAL 9.8 MITIGATE An issue was found on the Ruijie EG-2000 series gateway
CVE-2019-16638 HIGH 7.5 MITIGATE An issue was found on the Ruijie EG-2000 series gateway

References

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