CVE-2026-6154

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2026-04-13. 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: 2%CVSS: 9.8Exploit: NoneExposed: 0

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

A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument wizard results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
76.3%
KEV
Not listed

Published

April 13, 2026

Last Modified

April 27, 2026

Advisory Details (2)

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_194/README.md at main · Litengzheng/vuldb_new · GitHub

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_194/README.md

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 43× 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 150 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
  4. 2026-07-15 02:00 UTCEPSS rescore
  5. 2026-07-13 22:31 UTCEPSS rescore
  6. 2026-07-12 05:46 UTCEPSS rescore
  7. 2026-07-11 08:27 UTCEPSS rescore
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  9. 2026-07-09 19:10 UTCEPSS rescore
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  11. 2026-07-08 15:16 UTCEPSS rescore
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  13. 2026-07-07 13:46 UTCEPSS rescore
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  15. 2026-07-06 16:27 UTCEPSS rescore
  16. 2026-07-06 16:27 UTCEPSS rescore
  17. 2026-07-06 02:23 UTCEPSS rescore
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  19. 2026-07-05 02:31 UTCEPSS rescore
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  21. 2026-07-04 06:31 UTCEPSS rescore
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  23. 2026-07-01 15:07 UTCEPSS rescore
  24. 2026-06-30 23:22 UTCEPSS rescore
  25. 2026-06-29 14:06 UTCEPSS rescore
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  1. 2026-06-28 14:07 UTCEPSS rescore
  2. 2026-06-28 04:56 UTCEPSS rescore
  3. 2026-06-27 03:08 UTCEPSS rescore
  4. 2026-06-25 13:50 UTCEPSS rescore
  5. 2026-06-24 14:05 UTCEPSS rescore
  6. 2026-06-23 21:33 UTCEPSS rescore
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  8. 2026-06-22 14:25 UTCEPSS rescore
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  10. 2026-06-21 14:56 UTCEPSS rescore
  11. 2026-06-21 14:56 UTCEPSS rescore
  12. 2026-06-21 01:59 UTCEPSS rescore
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  14. 2026-06-19 19:26 UTCEPSS rescore
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  16. 2026-06-18 17:52 UTCEPSS rescore
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  19. 2026-06-16 17:53 UTCEPSS rescore
  20. 2026-06-15 17:49 UTCEPSS rescore
  21. 2026-06-15 17:49 UTCEPSS rescore
  22. 2026-06-15 04:05 UTCEG score recompute
  23. 2026-06-15 04:04 UTCGHSA enrichment
  24. 2026-06-14 23:18 UTCEPSS rescore
  25. 2026-06-14 21:57 UTCEG score recompute
  26. 2026-06-14 21:57 UTCGHSA enrichment
  27. 2026-06-13 23:00 UTCEPSS rescore
  28. 2026-06-12 23:12 UTCEPSS rescore
  29. 2026-06-12 23:12 UTCEPSS rescore
  30. 2026-06-12 06:47 UTCEG score recompute
  31. 2026-06-12 06:47 UTCGHSA enrichment
  32. 2026-06-12 02:57 UTCEG score recompute
  33. 2026-06-12 02:57 UTCGHSA enrichment
  34. 2026-06-11 23:20 UTCEG score recompute
  35. 2026-06-11 23:20 UTCGHSA enrichment
  36. 2026-06-11 19:43 UTCEG score recompute
  37. 2026-06-11 19:43 UTCGHSA enrichment
  38. 2026-06-11 14:00 UTCEPSS rescore
  39. 2026-06-10 23:17 UTCEG score recompute
  40. 2026-06-10 23:17 UTCGHSA enrichment
  41. 2026-06-10 22:19 UTCEPSS rescore
  42. 2026-06-10 19:41 UTCEG score recompute
  43. 2026-06-10 19:41 UTCGHSA enrichment
  44. 2026-06-10 16:04 UTCEG score recompute
  45. 2026-06-10 16:04 UTCGHSA enrichment
  46. 2026-06-10 13:22 UTCEPSS rescore
  47. 2026-06-10 12:26 UTCEG score recompute
  48. 2026-06-10 12:26 UTCGHSA enrichment
  49. 2026-06-10 08:29 UTCEG score recompute
  50. 2026-06-10 08:29 UTCGHSA enrichment
  51. 2026-06-10 04:52 UTCEG score recompute
  52. 2026-06-10 04:52 UTCGHSA enrichment
  53. 2026-06-10 00:48 UTCEG score recompute
  54. 2026-06-10 00:48 UTCGHSA enrichment
  55. 2026-06-09 18:37 UTCEG score recompute
  56. 2026-06-09 18:37 UTCGHSA enrichment
  57. 2026-06-09 15:00 UTCEG score recompute
  58. 2026-06-09 15:00 UTCGHSA enrichment
  59. 2026-06-09 11:24 UTCEG score recompute
  60. 2026-06-09 11:24 UTCGHSA enrichment
  61. 2026-06-08 14:17 UTCEPSS rescore
  62. 2026-06-08 12:52 UTCEG score recompute
  63. 2026-06-08 12:52 UTCGHSA enrichment
  64. 2026-06-08 09:11 UTCEG score recompute
  65. 2026-06-08 09:11 UTCGHSA enrichment
  66. 2026-06-08 05:35 UTCEG score recompute
  67. 2026-06-08 05:35 UTCGHSA enrichment
  68. 2026-06-08 01:57 UTCEG score recompute
  69. 2026-06-08 01:57 UTCGHSA enrichment
  70. 2026-06-07 22:21 UTCEG score recompute
  71. 2026-06-07 22:21 UTCGHSA enrichment
  72. 2026-06-07 18:44 UTCEG score recompute
  73. 2026-06-07 18:44 UTCGHSA enrichment
  74. 2026-06-07 15:25 UTCEPSS rescore
  75. 2026-06-07 14:47 UTCEG score recompute

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Frequently asked(5)

What is CVE-2026-6154?
CVE-2026-6154 is a critical vulnerability published on April 13, 2026. A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument wizard results in os command injection. The attack may be…
When was CVE-2026-6154 disclosed?
CVE-2026-6154 was first published in the National Vulnerability Database on April 13, 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-2026-6154 actively exploited?
CVE-2026-6154 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 76.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-6154?
CVE-2026-6154 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-6154?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-6154, 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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