CVE-2011-4723

MEDIUMNVD 5.79.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-09-08), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 5.7 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
5.7
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 3%CVSS: 5.7Exploit: NoneExposed: 0

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

The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information via unspecified vectors.

CVSS v3
5.7
EG Score
9.0(high)
EPSS
86.5%
KEV
⚠ Exploited

Published

December 20, 2011

Last Modified

April 22, 2026

Advisory Details (1)

Auto-updated May 20, 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-2011-4723

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 63× in last 7d / 250× 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 485 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2011-4723?
CVE-2011-4723 is a medium vulnerability published on December 20, 2011. The D-Link DIR-300 router stores cleartext passwords, which allows context-dependent attackers to obtain sensitive information via unspecified vectors.
When was CVE-2011-4723 disclosed?
CVE-2011-4723 was first published in the National Vulnerability Database on December 20, 2011, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2011-4723 actively exploited?
Yes. CISA added CVE-2011-4723 to the Known Exploited Vulnerabilities catalog on September 8, 2022, affecting D-Link DIR-300 Router. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2011-4723?
CVE-2011-4723 has a CVSS v3 base score of 5.7 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2011-4723?
CVE-2011-4723 affects D-Link DIR-300 Router. 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-2011-4723?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4723, 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.

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