CVE-2026-7124

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2026-04-27. 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 vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. Affected by this vulnerability is the function setIpv6LanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument addrPrefixLen can lead to os command injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
75.6%
KEV
Not listed

Published

April 27, 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_new2/A8000RU/vul_309/README.md at main · Litengzheng/vuldb_new2 · GitHub

https://github.com/Litengzheng/vuldb_new2/tree/main/A8000RU/vul_309/README.md

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 39× 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 217 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. 2026-07-13 22:31 UTCEPSS rescore
  5. 2026-07-13 06:13 UTCEPSS rescore
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  7. 2026-07-12 05:46 UTCEPSS rescore
  8. 2026-07-11 08:27 UTCEPSS rescore
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  10. 2026-07-09 19:10 UTCEPSS rescore
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  12. 2026-07-08 15:16 UTCEPSS rescore
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  14. 2026-07-07 13:46 UTCEPSS rescore
  15. 2026-07-07 13:46 UTCEPSS rescore
  16. 2026-07-06 16:27 UTCEPSS rescore
  17. 2026-07-06 16:27 UTCEPSS rescore
  18. 2026-07-05 02:31 UTCEPSS rescore
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  20. 2026-07-04 06:31 UTCEPSS rescore
  21. 2026-07-04 06:31 UTCEPSS rescore
  22. 2026-07-01 15:07 UTCEPSS rescore
  23. 2026-06-30 23:22 UTCEPSS rescore
  24. 2026-06-29 14:06 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
  6. 2026-06-21 14:56 UTCEPSS rescore
  7. 2026-06-21 14:56 UTCEPSS rescore
  8. 2026-06-21 01:59 UTCEPSS rescore
  9. 2026-06-21 01:59 UTCEPSS rescore
  10. 2026-06-19 19:26 UTCEPSS rescore
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  12. 2026-06-18 17:52 UTCEPSS rescore
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  14. 2026-06-17 17:53 UTCEPSS rescore
  15. 2026-06-16 17:53 UTCEPSS rescore
  16. 2026-06-15 17:49 UTCEPSS rescore
  17. 2026-06-15 17:49 UTCEPSS rescore
  18. 2026-06-15 04:40 UTCEG score recompute
  19. 2026-06-15 04:40 UTCGHSA enrichment
  20. 2026-06-15 00:40 UTCEG score recompute
  21. 2026-06-15 00:40 UTCGHSA enrichment
  22. 2026-06-14 23:18 UTCEPSS rescore
  23. 2026-06-14 20:33 UTCEG score recompute
  24. 2026-06-14 20:33 UTCGHSA enrichment
  25. 2026-06-14 16:34 UTCEG score recompute
  26. 2026-06-14 16:34 UTCGHSA enrichment
  27. 2026-06-14 11:14 UTCEG score recompute
  28. 2026-06-14 11:13 UTCGHSA enrichment
  29. 2026-06-13 23:00 UTCEPSS rescore
  30. 2026-06-12 23:12 UTCEPSS rescore
  31. 2026-06-12 23:12 UTCEPSS rescore
  32. 2026-06-12 12:01 UTCEG score recompute
  33. 2026-06-12 12:00 UTCGHSA enrichment
  34. 2026-06-12 06:19 UTCEG score recompute
  35. 2026-06-12 06:19 UTCGHSA enrichment
  36. 2026-06-12 02:23 UTCEG score recompute
  37. 2026-06-12 02:23 UTCGHSA enrichment
  38. 2026-06-11 22:26 UTCEG score recompute
  39. 2026-06-11 22:26 UTCGHSA enrichment
  40. 2026-06-11 18:29 UTCEG score recompute
  41. 2026-06-11 18:29 UTCGHSA enrichment
  42. 2026-06-11 14:05 UTCEG score recompute
  43. 2026-06-11 14:05 UTCGHSA enrichment
  44. 2026-06-11 14:00 UTCEPSS rescore
  45. 2026-06-11 10:08 UTCEG score recompute
  46. 2026-06-11 10:08 UTCGHSA enrichment
  47. 2026-06-11 06:09 UTCEG score recompute
  48. 2026-06-11 06:09 UTCGHSA enrichment
  49. 2026-06-10 22:19 UTCEPSS rescore
  50. 2026-06-10 19:59 UTCEG score recompute
  51. 2026-06-10 19:59 UTCGHSA enrichment
  52. 2026-06-10 16:02 UTCEG score recompute
  53. 2026-06-10 16:02 UTCGHSA enrichment
  54. 2026-06-10 13:22 UTCEPSS rescore
  55. 2026-06-10 12:04 UTCEG score recompute
  56. 2026-06-10 12:04 UTCGHSA enrichment
  57. 2026-06-10 08:08 UTCEG score recompute
  58. 2026-06-10 08:08 UTCGHSA enrichment
  59. 2026-06-10 03:38 UTCEG score recompute
  60. 2026-06-10 03:38 UTCGHSA enrichment
  61. 2026-06-09 23:41 UTCEG score recompute
  62. 2026-06-09 23:41 UTCGHSA enrichment
  63. 2026-06-09 17:36 UTCEG score recompute
  64. 2026-06-09 17:36 UTCGHSA enrichment
  65. 2026-06-09 13:39 UTCEG score recompute
  66. 2026-06-09 13:39 UTCGHSA enrichment
  67. 2026-06-09 09:42 UTCEG score recompute
  68. 2026-06-09 09:42 UTCGHSA enrichment
  69. 2026-06-09 04:10 UTCEG score recompute
  70. 2026-06-09 04:10 UTCGHSA enrichment
  71. 2026-06-09 00:13 UTCEG score recompute
  72. 2026-06-09 00:13 UTCGHSA enrichment
  73. 2026-06-08 14:17 UTCEPSS rescore
  74. 2026-06-08 12:06 UTCEG score recompute
  75. 2026-06-08 12:06 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2026-7124?
CVE-2026-7124 is a critical vulnerability published on April 27, 2026. A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. Affected by this vulnerability is the function setIpv6LanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument addrPrefixLen can lead to os command injection. The attack can…
When was CVE-2026-7124 disclosed?
CVE-2026-7124 was first published in the National Vulnerability Database 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-2026-7124 actively exploited?
CVE-2026-7124 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 75.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-7124?
CVE-2026-7124 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-7124?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-7124, 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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