CVE-2026-9511

MEDIUMNVD 6.36.3—
EchelonGraph scoreMEDIUM confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-05-26. NVD baseline CVSS 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.3Exploit: NoneExposed: 0

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

A vulnerability was identified in Totolink CA750-PoE 6.2c.510. This affects the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument webWlanIdx leads to os command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used.

CVSS v3
6.3
EG Score
6.3(medium)
EPSS
60.6%
KEV
Not listed

Published

May 25, 2026

Last Modified

May 28, 2026

Advisory Details (2)

Auto-updated Jun 13, 2026
No patch confirmed yet.
generic

TOTOLINK

https://www.totolink.net/
generic

my_vuln/totolink4/vuln_49/49.md at main · wudipjq/my_vuln · GitHub

https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_49/49.md

Vendor Advisories for CVE-2026-9511(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 41× 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.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-9511?
CVE-2026-9511 is a medium vulnerability published on May 25, 2026. A vulnerability was identified in Totolink CA750-PoE 6.2c.510. This affects the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument webWlanIdx leads to os command injection. It is possible to launch the attack remotely. The…
When was CVE-2026-9511 disclosed?
CVE-2026-9511 was first published in the National Vulnerability Database on May 25, 2026, with the most recent update on May 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9511 actively exploited?
CVE-2026-9511 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 60.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9511?
CVE-2026-9511 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-9511?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9511, 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.

Dependency Blast Radius

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