CVE-2026-2000: A vulnerability was found in DCN DCME-320 up to 20260121

Q: How do I fix CVE-2026-2000?

dcme-320 firmware: upgrade to newer than 20260121. Exact commands for each OS are on this page.

Q: Is CVE-2026-2000 being exploited?

CVE-2026-2000 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-2000 affect?

CVE-2026-2000 affects dcme-320 firmware. Severity is medium (CVSS 4.7). A vulnerability was found in DCN DCME-320 up to 20260121. Impacted is the function apply_config of the file /function/system/basic/bridge_cfg.php of the component Web Management Backend. Performing a manipulation of the argument ip_list res

Q: How urgent is CVE-2026-2000?

Priority 46/100. EPSS top 3%: very likely to be exploited; Public exploit reference

This week

MEDIUM 4.7UPGRADE

CVE-2026-2000 is a medium-severity flaw (CVSS 4.7) affecting dcme-320 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in DCN DCME-320 up to 20260121. Impacted is the function apply_config of the file /function/system/basic/bridge_cfg.php of the component Web Management Backend. Performing a manipulation of the argument ip_list results in command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any

Why this priority

EPSS top 3%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.7 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	19.7% (top 3%)
CISA exploited list	No
Weakness	CWE-74, CWE-77
Published	2026-02-06
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: dcnetworks

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

Am I affected?

Timeline

2026-02-06 07:16 UTCPublished CVE record published
2026-06-17 10:29 UTCUpdated Record last modified

dcnetworks dcme-320 firmware UPGRADE

Affected: <= 20260121

Fixed in: newer than 20260121

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-2026-2000?

dcme-320 firmware: upgrade to newer than 20260121. Exact commands for each OS are on this page.

Is CVE-2026-2000 being exploited?

CVE-2026-2000 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-2026-2000 affect?

CVE-2026-2000 affects dcme-320 firmware. Severity is medium (CVSS 4.7). A vulnerability was found in DCN DCME-320 up to 20260121. Impacted is the function apply_config of the file /function/system/basic/bridge_cfg.php of the component Web Management Backend. Performing a manipulation of the argument ip_list res

How urgent is CVE-2026-2000?

Priority 46/100. EPSS top 3%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2024-52782 CRITICAL 9.8 UPGRADE UPGRADE DCME-320 <=7.4.12.90, DCME-520 <=9.25.5.11, DCME-320-L <=9.3.5.26, and DCME-720 <=9.1.5.11 are vulnerable to R
CVE-2024-52781 CRITICAL 9.8 UPGRADE UPGRADE DCME-320 <=7.4.12.90, DCME-520 <=9.25.5.11, DCME-320-L <=9.3.5.26, and DCME-720 <=9.1.5.11 are vulnerable to R
CVE-2024-52780 CRITICAL 9.8 UPGRADE UPGRADE DCME-320 <=7.4.12.90, DCME-520 <=9.25.5.11, DCME-320-L <=9.3.5.26, and DCME-720 <=9.1.5.11 are vulnerable to R
CVE-2024-52779 CRITICAL 9.8 UPGRADE UPGRADE DCME-320 <=7.4.12.90, DCME-520 <=9.25.5.11, DCME-320-L <=9.3.5.26, and DCME-720 <=9.1.5.11 are vulnerable to R
CVE-2024-52778 CRITICAL 9.8 UPGRADE UPGRADE DCME-320 <=7.4.12.90, DCME-520 <=9.25.5.11, DCME-320-L <=9.3.5.26, and DCME-720 <=9.1.5.11 are vulnerable to R

References

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