CVE-2026-5850

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2026-04-09. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 15%CVSS: 9.8Exploit: Elevated riskExposed: 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 A7100RU 7.4cu.2313_b20191024. This affects the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument pptpPassThru leads to os command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
15%
EPSS %ILE
97%
KEV
Not listed

Published

April 9, 2026

Last Modified

April 27, 2026

Advisory Details (3)

Auto-updated Sep 9, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

TOTOLINK | Wi-Fi 7, Mesh, 5G & Enterprise Networking

https://www.totolink.net/
generic🟡 PoC Available

vuldb_new/A7100RU/vul_156/README.md at main · Litengzheng/vuldb_new · GitHub

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_156/README.md
generic

Submit #791266: Totolink A7100RU 7.4cu.2313_b20191024 Command Injection

https://vuldb.com/submit/791266

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 24× 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 207 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-5850?
CVE-2026-5850 is a critical vulnerability published on April 9, 2026. A vulnerability was identified in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument pptpPassThru leads to os command injection. Remote exploitation of the attack is possible.…
When was CVE-2026-5850 disclosed?
CVE-2026-5850 was first published in the National Vulnerability Database on April 9, 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-2026-5850 actively exploited?
CVE-2026-5850 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 15% probability of exploitation in the next 30 days, which ranks it in the top 3.5% of all scored CVEs.
What is the CVSS score of CVE-2026-5850?
CVE-2026-5850 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-5850?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5850, 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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