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CVE-2026-108971

CVE-2026-108971

waiting for further signalsZero needs more public information before it can validate it.

GHSA-5vhf-mw8w-298v ↗EUVD-2026-98294 ↗

no check availablenot proven exploitable
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.
D-Link DCS-930L B1.08B4
CWE-347 Improper Verification of Cryptographic Signature
ETK-2026-1457Zero's internal tracking ID, independent of the CVE number., permanent identifier
cvss9.4cna vendorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
7d 18h 38msince last run
13mAI analysisAnalysis: how long the AI spent reversing this signal.
timeline
0 = cve.org publication
trigger signal (cve.org) +0hwaiting for further signals+5h22m
0
+2h
+4h
+6h
+8h
+10h
+12h

description

D-Link DCS-930L devices running B1.08B4 have an improper firmware signature verification issue in the Emergency HTTP Recovery Server. A remote attacker who can reach that recovery service may be able to cause it to accept firmware without proper signature validation.

mitigation

Restrict network access to the Emergency HTTP Recovery Server and allow firmware recovery actions only from trusted administrative networks. Do not expose the device or its recovery interface directly to untrusted networks, and obtain vendor-supported updated firmware when available.

check
no
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.
0.23%12th percentile
agent run time
13m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-10-13 05:45Z
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: an exploit technique exists, 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. 2026-10-13 05:45Z
    cve_org: trigger signal, started the run
    https://www.cve.org/CVERecord?id=CVE-2026-108971

this entry in the feed

GET /api/v1/feed/CVE-2026-108971

{
  "etk_id": "ETK-2026-1457",
  "cve_id": "CVE-2026-108971",
  "display_id": "CVE-2026-108971",
  "ghsa_id": "GHSA-5vhf-mw8w-298v",
  "euvd_id": "EUVD-2026-98294",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Improper firmware signature verification in D-Link DCS-930L",
  "summary": "D-Link DCS-930L devices running B1.08B4 have an improper firmware signature verification issue in the Emergency HTTP Recovery Server. A remote attacker who can reach that recovery service may be able to cause it to accept firmware without proper signature validation.",
  "mitigation": "Restrict network access to the Emergency HTTP Recovery Server and allow firmware recovery actions only from trusted administrative networks. Do not expose the device or its recovery interface directly to untrusted networks, and obtain vendor-supported updated firmware when available.",
  "vendor": "D-Link",
  "product": "DCS-930L",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "B1.08B4"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "DCS-930L",
      "purl": null
    }
  ],
  "cwes": [
    347
  ],
  "cvss_score": 9.4,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P",
  "epss_score": 0.0023,
  "epss_percentile": 0.1241,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 13.123161066666666,
  "t0_at": "2026-10-13T05:45:16.733000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-13T05:45:16.733000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-13T05:45:16.733000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-108971"
    }
  }
}

published 2026-10-13 10:53Z
last change 2026-10-21 05:31Z

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