{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/tags/cve-2025-57834/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[{"cvss":7.5,"id":"CVE-2025-57834"}],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["high"],"_cs_tags":["cve-2025-57834","denial-of-service","samsung","exynos"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eCVE-2025-57834 is a denial-of-service vulnerability affecting a wide range of Samsung Exynos processors and modems, including the Exynos 980, 850, 990, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 1680, 9110, W920, W930, W1000, Modem 5123, Modem 5300, Modem 5400, and Modem 5410. The vulnerability stems from a lack of proper input validation, allowing a malicious actor to send crafted input that triggers a denial-of-service condition. This could potentially lead to device unresponsiveness, crashes, or other service disruptions. While the specific attack vector is not detailed in the source material, the broad range of affected devices suggests a widespread impact on Samsung products utilizing these components. This vulnerability was published on 2026-04-06.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker identifies a vulnerable Samsung device using an affected Exynos processor or modem.\u003c/li\u003e\n\u003cli\u003eAttacker crafts a malicious input specifically designed to exploit the input validation flaw. The exact nature of this input is unknown without further information from the vendor.\u003c/li\u003e\n\u003cli\u003eAttacker transmits the malicious input to the targeted component of the device. This transmission method is unspecified and could vary based on the specific component and attack vector.\u003c/li\u003e\n\u003cli\u003eThe targeted component receives the malicious input without proper validation.\u003c/li\u003e\n\u003cli\u003eThe component attempts to process the invalid input, leading to an unexpected error or fault.\u003c/li\u003e\n\u003cli\u003eThe error or fault causes the component to malfunction or crash.\u003c/li\u003e\n\u003cli\u003eThe malfunction or crash disrupts the normal operation of the device or service.\u003c/li\u003e\n\u003cli\u003eThe device enters a denial-of-service state, becoming unresponsive or unusable until restarted or patched.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2025-57834 can lead to a denial-of-service condition on affected Samsung devices. This could manifest as device crashes, unresponsiveness, or the inability to perform essential functions. The wide range of affected Exynos processors and modems suggests a potentially large number of vulnerable devices. The impact would depend on the criticality of the device or service being affected, ranging from minor inconvenience to significant disruption for users.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMonitor network traffic and system logs for suspicious activity related to devices with the affected Exynos processors (Exynos 980, 850, 990, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 1680, 9110, W920, W930, W1000, Modem 5123, Modem 5300, Modem 5400, and Modem 5410).\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule to detect potential denial-of-service attempts targeting the vulnerable devices and tune for your environment.\u003c/li\u003e\n\u003cli\u003eRefer to Samsung\u0026rsquo;s security updates (\u003ca href=\"https://semiconductor.samsung.com/support/quality-support/product-security-updates/\"\u003ehttps://semiconductor.samsung.com/support/quality-support/product-security-updates/\u003c/a\u003e) for specific patch information and apply the necessary updates as soon as they become available to remediate CVE-2025-57834.\u003c/li\u003e\n\u003cli\u003eContact US-CERT ( [email protected] ) for incident response assistance and non-NVD related technical cyber security questions.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-04-06T20:16:20Z","date_published":"2026-04-06T20:16:20Z","id":"/briefs/2026-04-exynos-dos/","summary":"A denial-of-service vulnerability, CVE-2025-57834, exists in Samsung Exynos processors and modems due to improper input validation, potentially leading to device malfunction or service disruption.","title":"Samsung Exynos Processor Denial-of-Service Vulnerability (CVE-2025-57834)","url":"https://feed.craftedsignal.io/briefs/2026-04-exynos-dos/"}],"language":"en","title":"CraftedSignal Threat Feed — Cve-2025-57834","version":"https://jsonfeed.org/version/1.1"}