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ExploitedIn CISA KEVFix available

CVE-2019-20500

Exploitation confirmed. First attested on 2023-06-29 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2020-03-05
  • 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

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.

Timeline

dates in UTC
  1. 2019-05-14Exploit-DB entryExploit-DB
  2. 2020-03-0515:15CVE publishedNVD
  3. 2023-06-29Added to the CISA KEV catalogCISA KEV
  4. 2023-06-29Listed as exploited by GCVEGCVE
  5. 2023-06-29Exploitation first reportedCISA KEV
  6. 2025-02-0420:31SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-20500?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-20500?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Dlink dwl-2600ap firmwareversion to verify
BranchAffectedFixed in
4.2≤ 4.2.0.15no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. CISA’s required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.due 2023-07-20

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-46841
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2023-06-29
Patch Due Date
2023-07-20
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2020-03-05
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-xx29-p5f4-mwr8

Frequently asked questions

What is 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.

Is CVE-2019-20500 actively exploited?

Yes. CVE-2019-20500 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-07-20.

What is the CVSS score for CVE-2019-20500?

CVE-2019-20500 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record