CVE-2020-24363

HIGHNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-09-02), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 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
8.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 21%CVSS: 8.8Exploit: NoneExposed: 0

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

TP-Link TL-WA855RE V5 20200415-rel37464 devices allow an unauthenticated attacker (on the same network) to submit a TDDP_RESET POST request for a factory reset and reboot. The attacker can then obtain incorrect access control by setting a new administrative password.

CVSS v3
8.8
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
97.3%
KEV
⚠ Exploited

Published

August 31, 2020

Last Modified

November 7, 2025

Advisory Details (3)

Auto-updated Jun 2, 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-2020-24363
generic

Download for TL-WA855RE | TP-Link

https://www.tp-link.com/us/support/download/tl-wa855re/#Firmware
generic

CVE-2020-24363 - Pastebin.com

https://pastebin.com/VjHM4UiA

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 53× in last 7d / 236× 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 453 total refreshes for this CVE.

  1. 2026-07-24 14:14 UTCEPSS rescore
  2. 2026-07-23 14:15 UTCEPSS rescore
  3. 2026-07-23 14:15 UTCEPSS rescore
  4. 2026-07-23 01:51 UTCEG score recompute
  5. 2026-07-22 23:47 UTCEG score recompute
  6. 2026-07-22 23:47 UTCGHSA enrichment
  7. 2026-07-22 22:37 UTCEG score recompute
  8. 2026-07-22 19:57 UTCGHSA enrichment
  9. 2026-07-22 19:40 UTCCISA KEV update
  10. 2026-07-22 16:09 UTCEG score recompute
  11. 2026-07-22 16:09 UTCGHSA enrichment
  12. 2026-07-22 14:05 UTCEPSS rescore
  13. 2026-07-22 12:16 UTCGHSA enrichment
  14. 2026-07-22 08:28 UTCGHSA enrichment
  15. 2026-07-22 04:39 UTCGHSA enrichment
  16. 2026-07-22 00:49 UTCGHSA enrichment
  17. 2026-07-21 20:58 UTCGHSA enrichment
  18. 2026-07-21 17:08 UTCEG score recompute
  19. 2026-07-21 17:07 UTCGHSA enrichment
  20. 2026-07-21 15:22 UTCEPSS rescore
  21. 2026-07-21 15:22 UTCEPSS rescore
  22. 2026-07-21 14:37 UTCCISA KEV update
  23. 2026-07-21 13:18 UTCGHSA enrichment
  24. 2026-07-21 09:30 UTCGHSA enrichment
  25. 2026-07-21 05:42 UTCGHSA enrichment
Show 75 more
  1. 2026-07-21 01:53 UTCGHSA enrichment
  2. 2026-07-20 22:04 UTCGHSA enrichment
  3. 2026-07-20 18:16 UTCEG score recompute
  4. 2026-07-20 18:16 UTCGHSA enrichment
  5. 2026-07-20 17:04 UTCEPSS rescore
  6. 2026-07-20 17:04 UTCEPSS rescore
  7. 2026-07-20 14:26 UTCGHSA enrichment
  8. 2026-07-20 10:38 UTCGHSA enrichment
  9. 2026-07-20 06:47 UTCGHSA enrichment
  10. 2026-07-20 02:42 UTCGHSA enrichment
  11. 2026-07-19 22:53 UTCGHSA enrichment
  12. 2026-07-19 19:05 UTCGHSA enrichment
  13. 2026-07-19 15:17 UTCGHSA enrichment
  14. 2026-07-19 11:29 UTCGHSA enrichment
  15. 2026-07-19 07:41 UTCGHSA enrichment
  16. 2026-07-19 03:52 UTCEG score recompute
  17. 2026-07-19 03:52 UTCGHSA enrichment
  18. 2026-07-19 02:26 UTCEPSS rescore
  19. 2026-07-19 02:26 UTCEPSS rescore
  20. 2026-07-19 00:02 UTCGHSA enrichment
  21. 2026-07-18 20:12 UTCGHSA enrichment
  22. 2026-07-18 16:24 UTCGHSA enrichment
  23. 2026-07-18 12:36 UTCEG score recompute
  24. 2026-07-18 12:36 UTCGHSA enrichment
  25. 2026-07-18 10:02 UTCEPSS rescore
  26. 2026-07-18 08:47 UTCGHSA enrichment
  27. 2026-07-18 04:59 UTCGHSA enrichment
  28. 2026-07-18 01:11 UTCGHSA enrichment
  29. 2026-07-17 21:23 UTCGHSA enrichment
  30. 2026-07-17 17:35 UTCGHSA enrichment
  31. 2026-07-17 13:46 UTCGHSA enrichment
  32. 2026-07-17 09:57 UTCEG score recompute
  33. 2026-07-17 09:57 UTCGHSA enrichment
  34. 2026-07-17 06:08 UTCGHSA enrichment
  35. 2026-07-17 02:19 UTCGHSA enrichment
  36. 2026-07-16 22:30 UTCGHSA enrichment
  37. 2026-07-16 18:40 UTCGHSA enrichment
  38. 2026-07-16 17:04 UTCCISA KEV update
  39. 2026-07-16 16:59 UTCEPSS rescore
  40. 2026-07-16 14:50 UTCGHSA enrichment
  41. 2026-07-16 11:02 UTCGHSA enrichment
  42. 2026-07-16 07:13 UTCGHSA enrichment
  43. 2026-07-16 03:25 UTCGHSA enrichment
  44. 2026-07-15 23:37 UTCGHSA enrichment
  45. 2026-07-15 19:49 UTCGHSA enrichment
  46. 2026-07-15 16:55 UTCEPSS rescore
  47. 2026-07-15 16:49 UTCCISA KEV update
  48. 2026-07-15 16:01 UTCGHSA enrichment
  49. 2026-07-15 15:04 UTCCISA KEV update
  50. 2026-07-15 12:12 UTCGHSA enrichment
  51. 2026-07-15 08:24 UTCGHSA enrichment
  52. 2026-07-15 04:35 UTCGHSA enrichment
  53. 2026-07-15 00:44 UTCGHSA enrichment
  54. 2026-07-14 20:56 UTCGHSA enrichment
  55. 2026-07-14 18:05 UTCCISA KEV update
  56. 2026-07-14 17:08 UTCGHSA enrichment
  57. 2026-07-14 13:18 UTCGHSA enrichment
  58. 2026-07-14 09:30 UTCGHSA enrichment
  59. 2026-07-14 05:39 UTCGHSA enrichment
  60. 2026-07-14 01:50 UTCGHSA enrichment
  61. 2026-07-13 22:27 UTCEPSS rescore
  62. 2026-07-13 22:27 UTCEPSS rescore
  63. 2026-07-13 22:02 UTCGHSA enrichment
  64. 2026-07-13 18:13 UTCGHSA enrichment
  65. 2026-07-13 17:07 UTCCISA KEV update
  66. 2026-07-13 14:25 UTCGHSA enrichment
  67. 2026-07-13 10:34 UTCGHSA enrichment
  68. 2026-07-13 06:45 UTCGHSA enrichment
  69. 2026-07-13 06:10 UTCEPSS rescore
  70. 2026-07-13 06:10 UTCEPSS rescore
  71. 2026-07-13 02:56 UTCGHSA enrichment
  72. 2026-07-12 23:08 UTCGHSA enrichment
  73. 2026-07-12 19:20 UTCGHSA enrichment
  74. 2026-07-12 15:30 UTCGHSA enrichment
  75. 2026-07-12 11:41 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-49092
    First seen Nov 23, 2020

    TP-Link TL-WA855RE V5_200415 - Device Reset Auth Bypass

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2020-24363?
CVE-2020-24363 is a high vulnerability published on August 31, 2020. TP-Link TL-WA855RE V5 20200415-rel37464 devices allow an unauthenticated attacker (on the same network) to submit a TDDP_RESET POST request for a factory reset and reboot. The attacker can then obtain incorrect access control by setting a new administrative password.
When was CVE-2020-24363 disclosed?
CVE-2020-24363 was first published in the National Vulnerability Database on August 31, 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-2020-24363 actively exploited?
Yes. CISA added CVE-2020-24363 to the Known Exploited Vulnerabilities catalog on September 2, 2025, affecting TP-Link TL-WA855RE. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2020-24363?
CVE-2020-24363 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2020-24363?
CVE-2020-24363 affects TP-Link TL-WA855RE. 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-2020-24363?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-24363, 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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