CVE-2026-4163

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2026-03-16. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

A vulnerability was detected in Wavlink WL-WN579A3 220323. This issue affects the function SetName/GuestWifi of the file /cgi-bin/wireless.cgi of the component POST Request Handler. Performing a manipulation results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading the affected component is recommended.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: 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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
2%
EPSS %ILE
81%
KEV
Not listed

Published

March 16, 2026

Last Modified

June 17, 2026

Advisory Details (3)

Auto-updated Sep 14, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

vul_db/WL-WN579A3/vul_9/README.md at main · Litengzheng/vul_db · GitHub

https://github.com/Litengzheng/vul_db/blob/main/WL-WN579A3/vul_9/README.md
generic🟡 PoC Available

vul_db/WL-WN579A3/vul_10/README.md at main · Litengzheng/vul_db · GitHub

https://github.com/Litengzheng/vul_db/blob/main/WL-WN579A3/vul_10/README.md
generic
https://dl.wavlink.com/firmware/RD/WINSTAR_WN579A3-A-2026-03-10-94f93d4-WO-mt7628-squashfs-sysupgrade.bin

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 3× in last 7d / 20× 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 199 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-4163?
CVE-2026-4163 is a critical vulnerability published on March 16, 2026. A vulnerability was detected in Wavlink WL-WN579A3 220323. This issue affects the function SetName/GuestWifi of the file /cgi-bin/wireless.cgi of the component POST Request Handler. Performing a manipulation results in command injection. It is possible to initiate the attack remotely. The exploit…
When was CVE-2026-4163 disclosed?
CVE-2026-4163 was first published in the National Vulnerability Database on March 16, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-4163 actively exploited?
CVE-2026-4163 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 19.1% of all scored CVEs.
What is the CVSS score of CVE-2026-4163?
CVE-2026-4163 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-4163?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-4163, 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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