CVE-2019-20500

HIGHNVD 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
7.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 97%CVSS: 7.8Exploit: NoneExposed: 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
99.9%
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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 40× in last 7d / 194× 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 374 total refreshes for this CVE.

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

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 ↗

Frequently asked(6)

What is CVE-2019-20500?
CVE-2019-20500 is a high 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

Explore the affected products and dependency analysis for CVE-2019-20500

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