What is CVE-2019-20500?

CVE-2019-20500 is a high-severity vulnerability in Dlink Dwl-2600ap, classified under OS Command Injection. CVSS score: 7.8/10. Published 2020-03-05.

How severe is CVE-2019-20500?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2019-20500 known to be exploited?

Yes. CVE-2019-20500 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-06-29), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.

RCE in Dlink Dwl-2600ap

CVE-2019-20500

D-Link DWL-2600AP 4.2.0.15 Rev A devices have an authenticated OS command injection vulnerability via the Save Configuration functionality in the Web interface, using shell metacharacters in the admin.cgi?action=config_save configBackup or downloadServerip parameter.

Vulnerability class: Command Injection (OS Command Injection)

Published 2020-03-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.967 (99.9th percentile), scored 2026-10-15.

Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.971 · newest: 0.967 · change: -0.004

Affected products

Weakness classification (CWE)

CWE-78 — OS Command Injection

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2023-06-29. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2023-07-20.

Required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

Public proof-of-concept exploits

References

supportannouncement.us.dlink.com/announcement/publication.aspx (Patch, Vendor Advisory)
www.exploit-db.com/exploits/46841 (Exploit, VDB Entry, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2019-20500?: CVE-2019-20500 is a high-severity vulnerability in Dlink Dwl-2600ap, classified under OS Command Injection. CVSS score: 7.8/10. Published 2020-03-05.
How severe is CVE-2019-20500?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2019-20500 known to be exploited?: Yes. CVE-2019-20500 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-06-29), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.