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Silex Technology's SD-330AC and AMC Manager were disclosed with two serious vulnerabilities that expose devices to remote compromise and unauthorized reconfiguration. The most severe issue, CVE-2026-32956, is a heap-based buffer overflow in redirect URL processing that can enable arbitrary code execution over the network without authentication or user interaction. The flaw is tracked as CWE-122 and carries a critical CVSS v3.1 vector of AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating full compromise of confidentiality, integrity, and availability is possible.
A second flaw, CVE-2026-32965, affects devices left in their factory-default state and allows them to be configured with a null string password, creating an insecure initialization condition. Classified as CWE-1188, the vulnerability is network-accessible and primarily threatens device integrity, with a CVSS v3.1 vector of AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. The issues were reported through JPCERT/CC and published via JVN and Silex security advisories in Japanese and English, putting administrators on notice to review exposed deployments and initialization practices.
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7 events from the most recent confirmed update back to the earliest known activity.
On 2026-04-21, CISA published ICS advisory ICSA-26-111-10 covering multiple vulnerabilities affecting Silex SD-330AC version 1.42 or earlier and AMC Manager version 5.0.2 or earlier. The advisory summarized severe impacts including remote code execution, denial of service, unauthorized configuration changes, and information disclosure, credited Francesco La Spina of Forescout as reporter, and said no known public exploitation had been reported.
On 2026-04-20, CVE-2026-32959 was recorded for Silex SD-330AC and AMC Manager as a weak cryptography vulnerability. The flaw could allow traffic information disclosure via a man-in-the-middle attack, and references were published in JVN and Silex security advisories.
On 2026-04-20, Silex disclosed that multiple vulnerabilities affecting SD-330AC and AMC Manager should be remediated by updating to SD-330AC firmware 1.50 or later and AMC Manager 5.1.0 or later. The advisory also recommended interim mitigations including disabling HTTP/HTTPS or SNMP services and setting a password on the settings web interface.
By 2026-04-20, public references for the vulnerabilities were available through JVN and Silex security advisories in Japanese and English. These advisories documented the affected products and technical classifications for the reported flaws.
On 2026-04-20, CVE-2026-32955 was recorded as a stack-based buffer overflow in redirect URL processing affecting Silex SD-330AC and AMC Manager. The flaw could allow arbitrary code execution, and public references were added to JVN and Silex security advisories.
On 2026-04-20, JPCERT/CC received a report of an insecure default initialization vulnerability affecting Silex SD-330AC and AMC Manager. In a factory-default network-connected state, the device could be configured with a null string password, creating a high-integrity risk.
On 2026-04-20, JPCERT/CC received a report of a heap-based buffer overflow in redirect URL processing affecting Silex SD-330AC and AMC Manager. The flaw could allow arbitrary code execution over the network without privileges or user interaction.
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A security researcher publicly disclosed **20+ vulnerabilities** in the **International Data Casting (IDC) SFX2100 satellite receiver**, a device reported as deployed across **U.S. Department of Defense**, **European Space Agency**, and other critical infrastructure environments, after the vendor allegedly failed to respond to repeated disclosure attempts over several months. Reported issues span common embedded-device failure modes including **hardcoded credentials**, **unauthenticated remote code execution**, **OS command injection**, **path traversal**, and overly permissive filesystem configurations, with CVEs assigned across **CVE-2026-28769 through CVE-2026-29128**. One highlighted high-impact issue, **CVE-2026-28775**, reportedly enables **unauthenticated command execution as `root`** by abusing **SNMP** management functionality combined with a default read-write community string of `private`. Additional detail on the credential exposure risk is captured in **CVE-2026-29128**, which describes **world-readable routing daemon configuration files** (e.g., `zebra.conf`, `bgpd.conf`, `ospfd.conf`, `ripd.conf`) that are root-owned but readable by all users and contain **plaintext/hardcoded passwords** (including privileged “enable” credentials). This condition can enable credential reuse and lateral movement, potentially helping an attacker establish or deepen access within networks where the SFX2100 is deployed, and it compounds other reported weaknesses such as undocumented default accounts (e.g., `admin`, `monitor`, `user`, `xd`) allegedly sharing a weak password (`12345`).
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