CVE-2026-6026

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2026-04-10. 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: 3%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. This vulnerability affects the function setPortalConfWeChat of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument enable results in os command injection. The attack can 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
85.8%
KEV
Not listed

Published

April 10, 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_171/README.md at main · Litengzheng/vuldb_new · GitHub

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_171/README.md
generic

Submit #792047: Totolink A7100RU 7.4cu.2313_b20191024 Command Injection

https://vuldb.com/submit/792047

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 40× 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 135 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
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  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
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  17. 2026-07-06 02:23 UTCEPSS rescore
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  20. 2026-07-05 02:30 UTCEPSS rescore
  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. 2026-06-28 14:07 UTCEPSS rescore
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  1. 2026-06-28 04:56 UTCEPSS rescore
  2. 2026-06-27 03:08 UTCEPSS rescore
  3. 2026-06-25 13:50 UTCEPSS rescore
  4. 2026-06-24 14:05 UTCEPSS rescore
  5. 2026-06-23 21:33 UTCEPSS rescore
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  7. 2026-06-22 14:25 UTCEPSS rescore
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  9. 2026-06-21 01:59 UTCEPSS rescore
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  11. 2026-06-19 19:26 UTCEPSS rescore
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  13. 2026-06-18 17:52 UTCEPSS rescore
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  17. 2026-06-15 17:49 UTCEPSS rescore
  18. 2026-06-15 17:49 UTCEPSS rescore
  19. 2026-06-15 04:31 UTCEG score recompute
  20. 2026-06-15 04:31 UTCGHSA enrichment
  21. 2026-06-14 23:18 UTCEPSS rescore
  22. 2026-06-13 23:00 UTCEPSS rescore
  23. 2026-06-12 23:12 UTCEPSS rescore
  24. 2026-06-12 23:12 UTCEPSS rescore
  25. 2026-06-12 03:37 UTCEG score recompute
  26. 2026-06-12 03:37 UTCGHSA enrichment
  27. 2026-06-11 23:55 UTCEG score recompute
  28. 2026-06-11 23:55 UTCGHSA enrichment
  29. 2026-06-11 20:13 UTCEG score recompute
  30. 2026-06-11 20:13 UTCGHSA enrichment
  31. 2026-06-11 14:00 UTCEPSS rescore
  32. 2026-06-10 22:19 UTCEPSS rescore
  33. 2026-06-10 19:56 UTCEG score recompute
  34. 2026-06-10 19:55 UTCGHSA enrichment
  35. 2026-06-10 16:12 UTCEG score recompute
  36. 2026-06-10 16:12 UTCGHSA enrichment
  37. 2026-06-10 13:22 UTCEPSS rescore
  38. 2026-06-10 12:29 UTCEG score recompute
  39. 2026-06-10 12:29 UTCGHSA enrichment
  40. 2026-06-10 08:35 UTCEG score recompute
  41. 2026-06-10 08:35 UTCGHSA enrichment
  42. 2026-06-10 04:53 UTCEG score recompute
  43. 2026-06-10 04:53 UTCGHSA enrichment
  44. 2026-06-10 00:57 UTCEG score recompute
  45. 2026-06-10 00:57 UTCGHSA enrichment
  46. 2026-06-09 16:27 UTCEG score recompute
  47. 2026-06-09 16:27 UTCGHSA enrichment
  48. 2026-06-09 12:45 UTCEG score recompute
  49. 2026-06-09 12:45 UTCGHSA enrichment
  50. 2026-06-08 14:17 UTCEPSS rescore
  51. 2026-06-08 14:04 UTCEG score recompute
  52. 2026-06-08 14:04 UTCGHSA enrichment
  53. 2026-06-08 10:22 UTCEG score recompute
  54. 2026-06-08 10:22 UTCGHSA enrichment
  55. 2026-06-08 06:24 UTCEG score recompute
  56. 2026-06-08 06:23 UTCGHSA enrichment
  57. 2026-06-08 02:42 UTCEG score recompute
  58. 2026-06-08 02:42 UTCGHSA enrichment
  59. 2026-06-07 23:00 UTCEG score recompute
  60. 2026-06-07 23:00 UTCGHSA enrichment
  61. 2026-06-07 19:18 UTCEG score recompute
  62. 2026-06-07 19:18 UTCGHSA enrichment
  63. 2026-06-07 15:36 UTCEG score recompute
  64. 2026-06-07 15:36 UTCGHSA enrichment
  65. 2026-06-07 15:25 UTCEPSS rescore
  66. 2026-06-07 11:54 UTCEG score recompute
  67. 2026-06-07 11:54 UTCGHSA enrichment
  68. 2026-06-07 08:12 UTCEG score recompute
  69. 2026-06-07 08:12 UTCGHSA enrichment
  70. 2026-06-06 13:47 UTCEPSS rescore
  71. 2026-06-05 22:47 UTCEPSS rescore
  72. 2026-06-05 06:10 UTCEPSS rescore
  73. 2026-06-04 13:12 UTCEPSS rescore
  74. 2026-06-04 13:12 UTCEPSS rescore
  75. 2026-06-02 20:13 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-6026?
CVE-2026-6026 is a critical vulnerability published on April 10, 2026. A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. This vulnerability affects the function setPortalConfWeChat of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument enable results in os command injection. The attack can…
When was CVE-2026-6026 disclosed?
CVE-2026-6026 was first published in the National Vulnerability Database on April 10, 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-2026-6026 actively exploited?
CVE-2026-6026 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-6026?
CVE-2026-6026 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-6026?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-6026, 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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