CVE-2026-5854

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2026-04-09. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 18%CVSS: 9.8Exploit: NoneExposed: 0

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

A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument merge results in os command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
96.8%
KEV
Not listed

Published

April 9, 2026

Last Modified

April 27, 2026

Advisory Details (3)

Auto-updated May 10, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

TOTOLINK

https://www.totolink.net/
generic🟡 PoC Available

vuldb_new/A7100RU/vul_160/README.md at main · Litengzheng/vuldb_new · GitHub

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_160/README.md
generic

Submit #791276: Totolink A7100RU 7.4cu.2313_b20191024 Command Injection

https://vuldb.com/submit/791276

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 36× 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 130 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-5854?
CVE-2026-5854 is a critical vulnerability published on April 9, 2026. A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument merge results in os command injection. It is possible to initiate the…
When was CVE-2026-5854 disclosed?
CVE-2026-5854 was first published in the National Vulnerability Database on April 9, 2026, with the most recent update on April 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-5854 actively exploited?
CVE-2026-5854 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-5854?
CVE-2026-5854 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-5854?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5854, 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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