CVE-2019-20500

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-06-29), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 97%CVSS: 7.8Exploit: cisa kev · ssvc active · epss top5pct · epss high · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
7.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
97%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

March 5, 2020

Last Modified

November 7, 2025

Advisory Details (3)

Auto-updated Jun 4, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-20500
generic🟡 PoC Available

D-Link DWL-2600AP - Multiple OS Command Injection - Hardware webapps Exploit

https://www.exploit-db.com/exploits/46841
generic

D-Link Technical Support

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10113

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 48× in last 7d / 211× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 769 total refreshes for this CVE.

  1. 2026-09-20 18:07 UTCGHSA enrichment
  2. 2026-09-20 14:06 UTCGHSA enrichment
  3. 2026-09-20 10:06 UTCGHSA enrichment
  4. 2026-09-20 06:05 UTCGHSA enrichment
  5. 2026-09-20 02:05 UTCGHSA enrichment
  6. 2026-09-19 22:04 UTCGHSA enrichment
  7. 2026-09-19 18:04 UTCGHSA enrichment
  8. 2026-09-19 14:03 UTCGHSA enrichment
  9. 2026-09-19 10:02 UTCGHSA enrichment
  10. 2026-09-19 06:01 UTCGHSA enrichment
  11. 2026-09-19 01:58 UTCGHSA enrichment
  12. 2026-09-18 21:58 UTCEG score recompute
  13. 2026-09-18 21:58 UTCGHSA enrichment
  14. 2026-09-18 19:22 UTCEPSS rescore
  15. 2026-09-18 19:20 UTCCISA KEV update
  16. 2026-09-18 17:58 UTCGHSA enrichment
  17. 2026-09-18 14:15 UTCCISA KEV update
  18. 2026-09-18 13:57 UTCGHSA enrichment
  19. 2026-09-18 09:57 UTCGHSA enrichment
  20. 2026-09-18 05:56 UTCGHSA enrichment
  21. 2026-09-18 01:56 UTCGHSA enrichment
  22. 2026-09-17 21:55 UTCGHSA enrichment
  23. 2026-09-17 17:53 UTCGHSA enrichment
  24. 2026-09-17 13:52 UTCGHSA enrichment
  25. 2026-09-17 09:50 UTCGHSA enrichment
Show 75 more
  1. 2026-09-17 05:49 UTCGHSA enrichment
  2. 2026-09-17 01:46 UTCGHSA enrichment
  3. 2026-09-16 21:45 UTCGHSA enrichment
  4. 2026-09-16 17:43 UTCGHSA enrichment
  5. 2026-09-16 14:10 UTCCISA KEV update
  6. 2026-09-16 13:42 UTCGHSA enrichment
  7. 2026-09-16 09:40 UTCGHSA enrichment
  8. 2026-09-16 05:38 UTCGHSA enrichment
  9. 2026-09-16 01:38 UTCGHSA enrichment
  10. 2026-09-15 21:37 UTCGHSA enrichment
  11. 2026-09-15 17:34 UTCGHSA enrichment
  12. 2026-09-15 13:33 UTCGHSA enrichment
  13. 2026-09-15 09:32 UTCGHSA enrichment
  14. 2026-09-15 05:31 UTCGHSA enrichment
  15. 2026-09-15 01:28 UTCGHSA enrichment
  16. 2026-09-14 21:27 UTCGHSA enrichment
  17. 2026-09-14 19:24 UTCCISA KEV update
  18. 2026-09-14 17:26 UTCGHSA enrichment
  19. 2026-09-14 13:25 UTCGHSA enrichment
  20. 2026-09-14 09:24 UTCGHSA enrichment
  21. 2026-09-14 05:23 UTCGHSA enrichment
  22. 2026-09-14 01:23 UTCGHSA enrichment
  23. 2026-09-13 21:22 UTCGHSA enrichment
  24. 2026-09-13 17:21 UTCGHSA enrichment
  25. 2026-09-13 13:20 UTCGHSA enrichment
  26. 2026-09-13 09:19 UTCGHSA enrichment
  27. 2026-09-13 05:18 UTCGHSA enrichment
  28. 2026-09-13 01:18 UTCGHSA enrichment
  29. 2026-09-12 21:17 UTCGHSA enrichment
  30. 2026-09-12 17:16 UTCGHSA enrichment
  31. 2026-09-12 13:15 UTCGHSA enrichment
  32. 2026-09-12 09:15 UTCGHSA enrichment
  33. 2026-09-12 05:14 UTCGHSA enrichment
  34. 2026-09-12 01:14 UTCGHSA enrichment
  35. 2026-09-11 21:13 UTCGHSA enrichment
  36. 2026-09-11 18:49 UTCCISA KEV update
  37. 2026-09-11 17:12 UTCEG score recompute
  38. 2026-09-11 17:12 UTCGHSA enrichment
  39. 2026-09-11 14:48 UTCEPSS rescore
  40. 2026-09-11 13:11 UTCGHSA enrichment
  41. 2026-09-11 09:10 UTCGHSA enrichment
  42. 2026-09-11 05:09 UTCGHSA enrichment
  43. 2026-09-11 01:08 UTCGHSA enrichment
  44. 2026-09-10 21:06 UTCGHSA enrichment
  45. 2026-09-10 19:28 UTCCISA KEV update
  46. 2026-09-10 17:05 UTCGHSA enrichment
  47. 2026-09-10 13:04 UTCGHSA enrichment
  48. 2026-09-10 09:03 UTCGHSA enrichment
  49. 2026-09-10 05:01 UTCGHSA enrichment
  50. 2026-09-10 01:00 UTCGHSA enrichment
  51. 2026-09-09 20:59 UTCGHSA enrichment
  52. 2026-09-09 19:08 UTCCISA KEV update
  53. 2026-09-09 16:58 UTCGHSA enrichment
  54. 2026-09-09 12:57 UTCGHSA enrichment
  55. 2026-09-09 08:56 UTCGHSA enrichment
  56. 2026-09-09 04:55 UTCGHSA enrichment
  57. 2026-09-09 00:55 UTCEG score recompute
  58. 2026-09-09 00:54 UTCGHSA enrichment
  59. 2026-09-08 20:54 UTCGHSA enrichment
  60. 2026-09-08 18:54 UTCCISA KEV update
  61. 2026-09-08 16:53 UTCGHSA enrichment
  62. 2026-09-08 12:50 UTCGHSA enrichment
  63. 2026-09-08 08:44 UTCGHSA enrichment
  64. 2026-09-08 04:42 UTCGHSA enrichment
  65. 2026-09-08 00:41 UTCGHSA enrichment
  66. 2026-09-07 20:40 UTCGHSA enrichment
  67. 2026-09-07 16:38 UTCGHSA enrichment
  68. 2026-09-07 12:37 UTCGHSA enrichment
  69. 2026-09-07 08:33 UTCGHSA enrichment
  70. 2026-09-07 04:31 UTCGHSA enrichment
  71. 2026-09-07 00:29 UTCGHSA enrichment
  72. 2026-09-06 20:29 UTCGHSA enrichment
  73. 2026-09-06 16:28 UTCEG score recompute
  74. 2026-09-06 16:28 UTCGHSA enrichment
  75. 2026-09-06 13:44 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-46841
    First seen May 14, 2019

    D-Link DWL-2600AP - Multiple OS Command Injection

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2019-20500?
CVE-2019-20500 is a critical vulnerability published on March 5, 2020. 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.
When was CVE-2019-20500 disclosed?
CVE-2019-20500 was first published in the National Vulnerability Database on March 5, 2020, with the most recent update on November 7, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-20500 actively exploited?
Yes. CISA added CVE-2019-20500 to the Known Exploited Vulnerabilities catalog on June 29, 2023, affecting D-Link DWL-2600AP Access Point. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2019-20500?
CVE-2019-20500 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2019-20500?
CVE-2019-20500 affects D-Link DWL-2600AP Access Point. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2019-20500?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-20500, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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