CVE-2026-9515

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: 2%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 detected in Totolink CA750-PoE 6.2c.510. The affected element is the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. The manipulation of the argument plugin_version results in os command injection. The attack may be launched remotely. The exploit is now public and may be used.

CVSS v3
6.3
EG Score
6.3(medium)
EPSS
76.0%
KEV
Not listed

Published

May 25, 2026

Last Modified

May 26, 2026

Advisory Details (2)

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

TOTOLINK

https://www.totolink.net/
generic

my_vuln/totolink4/vuln_53/53.md at main · wudipjq/my_vuln · GitHub

https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_53/53.md

Vendor Advisories for CVE-2026-9515(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 01:44 UTCEG score recompute
  19. 2026-06-29 01:44 UTCGHSA enrichment
  20. 2026-06-28 14:07 UTCEPSS rescore
  21. 2026-06-28 04:56 UTCEPSS rescore
  22. 2026-06-27 19:07 UTCEG score recompute
  23. 2026-06-27 19:07 UTCGHSA enrichment
  24. 2026-06-27 03:08 UTCEPSS rescore
  25. 2026-06-26 18:51 UTCEG score recompute
Show 73 more
  1. 2026-06-26 18:51 UTCGHSA enrichment
  2. 2026-06-25 13:50 UTCEPSS rescore
  3. 2026-06-25 12:45 UTCEG score recompute
  4. 2026-06-25 12:45 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. 2026-06-17 21:05 UTCEG score recompute
  13. 2026-06-17 21:05 UTCGHSA enrichment
  14. 2026-06-17 17:53 UTCEPSS rescore
  15. 2026-06-16 21:50 UTCEG score recompute
  16. 2026-06-16 21:50 UTCGHSA enrichment
  17. 2026-06-16 17:53 UTCEPSS rescore
  18. 2026-06-15 22:35 UTCEG score recompute
  19. 2026-06-15 22:35 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 20:42 UTCEG score recompute
  24. 2026-06-14 20:42 UTCGHSA enrichment
  25. 2026-06-13 23:00 UTCEPSS rescore
  26. 2026-06-13 21:28 UTCEG score recompute
  27. 2026-06-13 21:28 UTCGHSA enrichment
  28. 2026-06-12 23:12 UTCEPSS rescore
  29. 2026-06-12 23:12 UTCEPSS rescore
  30. 2026-06-12 17:51 UTCEG score recompute
  31. 2026-06-12 17:51 UTCGHSA enrichment
  32. 2026-06-11 18:37 UTCEG score recompute
  33. 2026-06-11 18:37 UTCGHSA enrichment
  34. 2026-06-11 14:00 UTCEPSS rescore
  35. 2026-06-10 22:19 UTCEPSS rescore
  36. 2026-06-10 19:23 UTCEG score recompute
  37. 2026-06-10 19:23 UTCGHSA enrichment
  38. 2026-06-10 13:22 UTCEPSS rescore
  39. 2026-06-09 20:08 UTCEG score recompute
  40. 2026-06-09 20:08 UTCGHSA enrichment
  41. 2026-06-08 20:51 UTCEG score recompute
  42. 2026-06-08 20:51 UTCGHSA enrichment
  43. 2026-06-08 14:17 UTCEPSS rescore
  44. 2026-06-07 21:37 UTCEG score recompute
  45. 2026-06-07 21:37 UTCGHSA enrichment
  46. 2026-06-07 15:25 UTCEPSS rescore
  47. 2026-06-06 22:22 UTCEG score recompute
  48. 2026-06-06 22:22 UTCGHSA enrichment
  49. 2026-06-06 13:47 UTCEPSS rescore
  50. 2026-06-05 23:07 UTCEG score recompute
  51. 2026-06-05 23:07 UTCGHSA enrichment
  52. 2026-06-05 22:47 UTCEPSS rescore
  53. 2026-06-05 06:10 UTCEPSS rescore
  54. 2026-06-04 23:53 UTCEG score recompute
  55. 2026-06-04 23:53 UTCGHSA enrichment
  56. 2026-06-04 13:12 UTCEPSS rescore
  57. 2026-06-04 00:03 UTCEG score recompute
  58. 2026-06-04 00:03 UTCGHSA enrichment
  59. 2026-06-03 00:48 UTCEG score recompute
  60. 2026-06-03 00:48 UTCGHSA enrichment
  61. 2026-06-02 20:13 UTCEPSS rescore
  62. 2026-06-02 01:30 UTCEG score recompute
  63. 2026-06-02 01:30 UTCGHSA enrichment
  64. 2026-06-01 13:52 UTCEPSS rescore
  65. 2026-06-01 02:15 UTCEG score recompute
  66. 2026-06-01 02:15 UTCGHSA enrichment
  67. 2026-05-31 22:30 UTCEPSS rescore
  68. 2026-05-31 00:16 UTCEPSS rescore
  69. 2026-05-29 13:44 UTCEPSS rescore
  70. 2026-05-28 13:44 UTCEPSS rescore
  71. 2026-05-27 13:40 UTCEPSS rescore
  72. 2026-05-26 13:44 UTCEPSS rescore
  73. 2026-05-25 23:26 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-9515?
CVE-2026-9515 is a medium vulnerability published on May 25, 2026. A vulnerability was detected in Totolink CA750-PoE 6.2c.510. The affected element is the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. The manipulation of the argument plugin_version results in os command injection. The attack may be launched…
When was CVE-2026-9515 disclosed?
CVE-2026-9515 was first published in the National Vulnerability Database on May 25, 2026, with the most recent update on May 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9515 actively exploited?
CVE-2026-9515 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 76.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9515?
CVE-2026-9515 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-9515?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9515, 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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