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CVE-2026-43844

CVE-2026-43844

validatedZero produced an exploit or a check.

GHSA-774f-v9xr-4j7c ↗EUVD-2026-104845 ↗

check availableZero validated a working check for it.not proven exploitableZero has a detection check, but hasn't produced a full working exploit yet.
cve.orgpublic pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).kevAttacks confirmed in the real world.
Advantech ADAM-3600 prior to version 2.8.5.0
ETK-2026-2145Zero's internal tracking ID, independent of the CVE number., permanent identifier
cvss9.3cna vendorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
+31mTTV
10mAI analysisAnalysis: how long the AI spent reversing this signal.
Check if you are vulnerable
timeline
0 = trigger signal
trigger signal (cve.org) +0mcheck available+31magent stopped
0
+10min
+20min

description

Advantech ADAM-3600 devices are affected by an authentication-bypass vulnerability in their proprietary protocol. An attacker able to reach the protocol may be able to bypass its authentication mechanism.

mitigation

Restrict access to the ADAM-3600 proprietary protocol to trusted management networks and segment affected devices from untrusted networks. Check the vendor advisory for an update or additional hardening guidance; no fixed version is recorded in the available evidence.

check
available
exploit
no
automationDeterministic: a check that runs on its own, the same request on every target. Contextual: an agentic technique that needs to be applied per target, for bugs that depend on contextual flows.
contextual
auth requiredWhether an attacker needs an account first, based on the CVSS vector's Privileges Required.
no
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
0.41%33rd percentile
agent run time
10m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-10-20 08:45Z
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
–
Δ to kevAttacks confirmed in the real world.
–

outcome

Contextual check: a technique exists and was validated, but no deterministic check could cover this one.

source signals

Public signals that triggered or updated the pipeline. These are inputs for the deltas above.

  1. 2026-10-20 08:45Z
    cve_org: trigger signal, started the run
    https://www.cve.org/CVERecord?id=CVE-2026-43844

this entry in the feed

GET /api/v1/feed/CVE-2026-43844

{
  "etk_id": "ETK-2026-2145",
  "cve_id": "CVE-2026-43844",
  "display_id": "CVE-2026-43844",
  "ghsa_id": "GHSA-774f-v9xr-4j7c",
  "euvd_id": "EUVD-2026-104845",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Authentication bypass in Advantech ADAM-3600 protocol",
  "summary": "Advantech ADAM-3600 devices are affected by an authentication-bypass vulnerability in their proprietary protocol. An attacker able to reach the protocol may be able to bypass its authentication mechanism.",
  "mitigation": "Restrict access to the ADAM-3600 proprietary protocol to trusted management networks and segment affected devices from untrusted networks. Check the vendor advisory for an update or additional hardening guidance; no fixed version is recorded in the available evidence.",
  "vendor": "Advantech",
  "product": "ADAM-3600",
  "affected": [
    {
      "affected_notes": [
        "prior to version 2.8.5.0"
      ],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "ADAM-3600",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 9.3,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
  "epss_score": 0.0041,
  "epss_percentile": 0.3385,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "assessed",
  "exploit": false,
  "pipeline_minutes": 9.549656933333333,
  "t0_at": "2026-10-20T08:45:47.036000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-20T09:17:15.603520+00:00",
      "days": 0.02185842037037037,
      "is_lower_bound": false,
      "measured_at": "2026-10-20T08:45:47.036000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-20T08:45:47.036000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-20T08:45:47.036000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-43844"
    }
  }
}

published 2026-10-20 09:07Z
last change 2026-10-21 01:51Z

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