CVE-2025-66364
validatedZero produced an exploit or a check.GHSA-5cxc-8932-7hjx ↗EUVD-2025-211256 ↗
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.
Samsung Semiconductor Exynos 850 >= 0, < October 2026
fixed in October 2026
CWE-754 Improper Check for Unusual or Exceptional Conditions
ETK-2026-3567Zero's internal tracking ID, independent of the CVE number., permanent identifier
+1.0dTTV
4mAI analysisAnalysis: how long the AI spent reversing this signal.
Check if you are vulnerable description
Affected Exynos processors, wearable chips, and modems can experience a baseband crash when control-plane messages are repeatedly sent. An attacker able to send such messages could disrupt cellular service on an affected device.
mitigation
Install the October 2026 security update for affected Exynos 850 through 2500, Exynos 9110/W-series, and Exynos Modem 5123 through 5410 products. Until updated, reduce exposure to untrusted cellular networks where operationally feasible.
fixed in October 2026
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.
–
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
0.14%3rd percentile
agent run time
4m
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-11-05 01:39Z
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.
- 2026-11-05 01:39Zcve_org: trigger signal, started the run
this entry in the feed
GET /api/v1/feed/CVE-2025-66364
{ "etk_id": "ETK-2026-3567", "cve_id": "CVE-2025-66364", "display_id": "CVE-2025-66364", "ghsa_id": "GHSA-5cxc-8932-7hjx", "euvd_id": "EUVD-2025-211256", "status": "published", "anchor_state": "anchored", "title": "Control-plane message denial of service in Exynos baseband", "summary": "Affected Exynos processors, wearable chips, and modems can experience a baseband crash when control-plane messages are repeatedly sent. An attacker able to send such messages could disrupt cellular service on an affected device.", "mitigation": "Install the October 2026 security update for affected Exynos 850 through 2500, Exynos 9110/W-series, and Exynos Modem 5123 through 5410 products. Until updated, reduce exposure to untrusted cellular networks where operationally feasible.", "vendor": "Samsung Semiconductor", "product": "Exynos 850", "affected": [ { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos 850", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos 1080", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos 2100", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos 1280", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos 2200", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos 1330", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos 1380", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos 1480", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos 2400", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos 1580", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos 2500", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos 1680", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos 9110", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos W920", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos W930", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos W1000", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos Modem 5123", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos Modem 5300", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos Modem 5400", "purl": null }, { "affected_notes": [ ">= 0, < October 2026" ], "affected_ranges": [], "ecosystem": null, "fixed_versions": [ "October 2026" ], "package_name": "Exynos Modem 5410", "purl": null } ], "cwes": [ 754 ], "cvss_score": null, "cvss_src": null, "cvss_vector": null, "epss_score": 0.0014, "epss_percentile": 0.0336, "epss_asof": "2026-11-06", "automation": "contextual", "check": true, "check_confidence_basis": "assessed", "exploit": false, "pipeline_minutes": 4.0830421, "t0_at": "2026-11-05T01:39:50.981000+00:00", "signals": { "check": { "at": "2026-11-06T02:29:00.314286+00:00", "days": 1.0341358019212963, "is_lower_bound": false, "measured_at": "2026-11-05T01:39:50.981000+00:00", "url": null }, "trigger_signal": { "at": "2026-11-05T01:39:50.981000+00:00", "days": 0, "is_lower_bound": false, "measured_at": "2026-11-05T01:39:50.981000+00:00", "url": "https://www.cve.org/CVERecord?id=CVE-2025-66364" } } }
published 2026-11-05 02:16Z
last change 2026-11-07 19:27Z
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