CVE-2020-24363

CRITICALNVD 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 21%CVSS: 8.8Exploit: cisa kev · ssvc active · epss top5pct · public exploitExposed: 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 PROB
21%
EPSS %ILE
97%
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 62× in last 7d / 257× 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 929 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2020-24363?
CVE-2020-24363 is a critical 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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