CVE-2026-36841

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-04-29. 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: 1%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

TOTOLINK N200RE V5 was discovered to contain a command injection vulnerability via the macstr and bandstr parameters in the formMapDelDevice function.

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
1%
EPSS %ILE
65%
KEV
Not listed

Published

April 29, 2026

Last Modified

April 29, 2026

Advisory Details (1)

Auto-updated Sep 9, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

cve/TOTOLINK-N200RE_V5-cstecgi-formMapDelDevice-CommandInjection at main · 0xmania/cve · GitHub

https://github.com/0xmania/cve/tree/main/TOTOLINK-N200RE_V5-cstecgi-formMapDelDevice-CommandInjection

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 27× 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 275 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-36841?
CVE-2026-36841 is a critical vulnerability published on April 29, 2026. TOTOLINK N200RE V5 was discovered to contain a command injection vulnerability via the macstr and bandstr parameters in the formMapDelDevice function.
When was CVE-2026-36841 disclosed?
CVE-2026-36841 was first published in the National Vulnerability Database on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-36841 actively exploited?
CVE-2026-36841 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 35.5% of all scored CVEs.
What is the CVSS score of CVE-2026-36841?
CVE-2026-36841 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-36841?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36841, 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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