CVE-2026-7122

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 has been found in Totolink A8000RU 7.1cu.643_b20200521. This impacts the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument enable leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

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_307/README.md at main · Litengzheng/vuldb_new2 · GitHub

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_307/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 / 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 225 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
  9. 2026-07-11 08:27 UTCEPSS rescore
  10. 2026-07-09 19:10 UTCEPSS rescore
  11. 2026-07-09 19:10 UTCEPSS rescore
  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. 2026-07-06 02:23 UTCEPSS rescore
  19. 2026-07-06 02:23 UTCEPSS rescore
  20. 2026-07-05 02:31 UTCEPSS rescore
  21. 2026-07-05 02:30 UTCEPSS rescore
  22. 2026-07-04 06:31 UTCEPSS rescore
  23. 2026-07-04 06:31 UTCEPSS rescore
  24. 2026-07-01 15:07 UTCEPSS rescore
  25. 2026-06-30 23:22 UTCEPSS rescore
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  1. 2026-06-29 14:06 UTCEPSS rescore
  2. 2026-06-28 14:07 UTCEPSS rescore
  3. 2026-06-28 04:56 UTCEPSS rescore
  4. 2026-06-27 03:08 UTCEPSS rescore
  5. 2026-06-25 13:50 UTCEPSS rescore
  6. 2026-06-24 14:05 UTCEPSS rescore
  7. 2026-06-23 21:33 UTCEPSS rescore
  8. 2026-06-22 14:25 UTCEPSS rescore
  9. 2026-06-22 14:25 UTCEPSS rescore
  10. 2026-06-21 14:56 UTCEPSS rescore
  11. 2026-06-21 14:56 UTCEPSS rescore
  12. 2026-06-21 01:59 UTCEPSS rescore
  13. 2026-06-21 01:59 UTCEPSS rescore
  14. 2026-06-19 19:26 UTCEPSS rescore
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  16. 2026-06-18 17:52 UTCEPSS rescore
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  18. 2026-06-17 17:53 UTCEPSS rescore
  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 04:29 UTCEG score recompute
  23. 2026-06-15 04:29 UTCGHSA enrichment
  24. 2026-06-15 00:41 UTCEG score recompute
  25. 2026-06-15 00:40 UTCGHSA enrichment
  26. 2026-06-14 23:18 UTCEPSS rescore
  27. 2026-06-14 20:27 UTCEG score recompute
  28. 2026-06-14 20:27 UTCGHSA enrichment
  29. 2026-06-14 16:34 UTCEG score recompute
  30. 2026-06-14 16:34 UTCGHSA enrichment
  31. 2026-06-14 11:14 UTCEG score recompute
  32. 2026-06-14 11:14 UTCGHSA enrichment
  33. 2026-06-13 23:00 UTCEPSS rescore
  34. 2026-06-12 23:12 UTCEPSS rescore
  35. 2026-06-12 23:12 UTCEPSS rescore
  36. 2026-06-12 12:01 UTCEG score recompute
  37. 2026-06-12 12:00 UTCGHSA enrichment
  38. 2026-06-12 05:08 UTCEG score recompute
  39. 2026-06-12 05:08 UTCGHSA enrichment
  40. 2026-06-12 01:21 UTCEG score recompute
  41. 2026-06-12 01:21 UTCGHSA enrichment
  42. 2026-06-11 21:31 UTCEG score recompute
  43. 2026-06-11 21:31 UTCGHSA enrichment
  44. 2026-06-11 17:44 UTCEG score recompute
  45. 2026-06-11 17:44 UTCGHSA enrichment
  46. 2026-06-11 14:00 UTCEPSS rescore
  47. 2026-06-11 13:57 UTCEG score recompute
  48. 2026-06-11 13:57 UTCGHSA enrichment
  49. 2026-06-11 10:08 UTCEG score recompute
  50. 2026-06-11 10:08 UTCGHSA enrichment
  51. 2026-06-11 06:11 UTCEG score recompute
  52. 2026-06-11 06:11 UTCGHSA enrichment
  53. 2026-06-10 23:16 UTCEG score recompute
  54. 2026-06-10 23:16 UTCGHSA enrichment
  55. 2026-06-10 22:19 UTCEPSS rescore
  56. 2026-06-10 19:29 UTCEG score recompute
  57. 2026-06-10 19:29 UTCGHSA enrichment
  58. 2026-06-10 15:42 UTCEG score recompute
  59. 2026-06-10 15:42 UTCGHSA enrichment
  60. 2026-06-10 13:22 UTCEPSS rescore
  61. 2026-06-10 11:55 UTCEG score recompute
  62. 2026-06-10 11:55 UTCGHSA enrichment
  63. 2026-06-10 08:08 UTCEG score recompute
  64. 2026-06-10 08:08 UTCGHSA enrichment
  65. 2026-06-10 03:29 UTCEG score recompute
  66. 2026-06-10 03:29 UTCGHSA enrichment
  67. 2026-06-09 23:42 UTCEG score recompute
  68. 2026-06-09 23:42 UTCGHSA enrichment
  69. 2026-06-09 17:17 UTCEG score recompute
  70. 2026-06-09 17:17 UTCGHSA enrichment
  71. 2026-06-09 13:30 UTCEG score recompute
  72. 2026-06-09 13:30 UTCGHSA enrichment
  73. 2026-06-09 09:42 UTCEG score recompute
  74. 2026-06-09 09:42 UTCGHSA enrichment
  75. 2026-06-09 04:00 UTCEG score recompute

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Frequently asked(5)

What is CVE-2026-7122?
CVE-2026-7122 is a critical vulnerability published on April 27, 2026. A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This impacts the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument enable leads to os command injection. It is possible to launch the attack remotely. The…
When was CVE-2026-7122 disclosed?
CVE-2026-7122 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-2026-7122 actively exploited?
CVE-2026-7122 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-2026-7122?
CVE-2026-7122 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-7122?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-7122, 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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