CVE-2026-19036

HIGHPre-NVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-08-06. A secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.2EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3.2%CVSS: 7.2Exploit: Elevated riskExposed services: Not assessed

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

A security flaw has been discovered in Shibby Tomato 1.28.0000. This affects the function sub_40F88C of the file /tmp/ppp/wanoptions. The manipulation of the argument ppp_custom results in os command injection. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This project is superseded by FreshTomato.

CVSS v3
7.2
EG Score
7.2HIGHmedium confidence
EG Risk
48
EG Risk 48/100CISA SSVC

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
Severity72% × 45%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low, Track* at medium and Attend at high mission impact.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
3.2%
EPSS %ILE
87th
KEV
Not listed

CISA SSVCTrack at low, Track* at medium and Attend at high mission impact.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 6, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Aug 6, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

advisories/en/03-sub_40F88C-pppd.md · 王浩源/tomato-rc-qos-ppp-cve - Gitee

https://gitee.com/WH-YHUST/tomato-rc-qos-ppp-cve/blob/master/advisories/en/03-sub_40F88C-pppd.md

Vendor Advisories for CVE-2026-19036(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 18× in last 7d / 84× 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 198 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-19036?
CVE-2026-19036 is a high vulnerability published on August 6, 2026. A security flaw has been discovered in Shibby Tomato 1.28.0000. This affects the function sub40F88C of the file /tmp/ppp/wanoptions. The manipulation of the argument pppcustom results in os command injection. The attack may be launched remotely. The exploit has been released to the public and may…
When was CVE-2026-19036 disclosed?
CVE-2026-19036 was first published on August 6, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19036 actively exploited?
CVE-2026-19036 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.2% probability of exploitation in the next 30 days (87th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-19036?
CVE-2026-19036 has a CVSS base score of 7.2 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-19036?
No fix for CVE-2026-19036 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-19036 are linked in the Vendor Advisories panel on this page.

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