EUVD-2025-210800
GHSA-q5j8-8qf2-xpq9
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description explicitly limits the attacker to physical proximity, indicating adjacent-network vector (AV:A); no authentication, confidentiality, or integrity impact applies.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
4DescriptionCVE.org
An issue in Vanderbilt Industries, Acre Security SPC5300.000 Main Board v.3.14.1 allows a physically proximate attacker to cause a denial of service via Spoofed SYN packets.
AnalysisAI
Denial of service in the Vanderbilt Industries / Acre Security SPC5300.000 Main Board running firmware v.3.14.1 allows a physically proximate attacker to crash the device by sending spoofed SYN packets, exploiting the panel's failure to bound resource consumption from crafted TCP traffic. The NVD-assigned CVSS vector uses AV:N (network), but the CVE description explicitly qualifies the attacker as physically proximate - a material, unresolved discrepancy that defenders must clarify with the vendor before assessing remote exploitability. No public exploit code and no active KEV-listed exploitation have been identified; EPSS probability is negligible at 0.14%.
Technical ContextAI
The SPC5300.000 is a physical access control main board manufactured by Vanderbilt Industries under the Acre Security brand, typically deployed in enterprise physical security installations to manage door controllers and badge readers. The vulnerability is rooted in CWE-400 (Uncontrolled Resource Consumption): the board's TCP/IP stack fails to bound state allocation when processing inbound SYN segments. SYN spoofing involves sending TCP SYN packets with forged source addresses, causing the target to allocate half-open TCP Control Block (TCB) entries that are never completed, eventually exhausting available connection resources and rendering the device unresponsive. This is a classic TCP state exhaustion vector, well understood since RFC 4987. The NVD CPE is recorded as 'n/a', meaning no formal CPE dictionary entry exists for this product, limiting automated asset-identification utility. Affected scope is identified solely through the CVE description as firmware version 3.14.1 on the SPC5300.000 board.
RemediationAI
No vendor-released patch has been identified at time of analysis; no fix version is cited in any referenced source. Organizations operating the SPC5300.000 Main Board on firmware 3.14.1 should contact Acre Security directly for patch availability and updated firmware. As compensating controls, network administrators should place the SPC5300 on a dedicated VLAN with ingress rate limiting enforced at the upstream switch or firewall, and enable SYN-cookie or SYN-proxy functionality on the protecting device to absorb spoofed SYN floods before they reach the panel - note that SYN-proxy inspection adds a small handshake-latency overhead for legitimate connections. Access control lists (ACLs) restricting TCP sessions to the panel's management interface to known trusted source IP ranges will further reduce attack surface. Physical network segmentation ensuring the panel is not reachable from untrusted segments is an additional control consistent with the 'physically proximate' characterization in the description. The vendor advisory may be accessible via the SIKT NVA registration at https://nva.sikt.no/registration/019c9145712a-8c458dda-4473-488c-9a20-b9e8938f24d5.
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Same weakness CWE-400 – Uncontrolled Resource Consumption
View allSame technique Denial Of Service
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External POC / Exploit Code
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