CVE-2025-7623 | Supermicro BMC SMASH services has a Stack-based buffer overflow vulnerability

Stack-based buffer overflow in the SMASH-CLP shell. An authenticated attacker with SSH access to the BMC can exploit a stack buffer overflow via a crafted SMASH command, overwrite the return address and registers, and achieve arbitrary code execution on the BMC firmware operating system

Published: 2025-11-18 Last update: 2026-04-15 Assigner: def9a96e-e099-41a9-bfac-30fd4f82c411 Source: def9a96e-e099-41a9-bfac-30fd4f82c411
NVD Status：Deferred，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-7623 is rated Low Risk (25.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-7623

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-18 — 0.05% —

Full EPSS history (1 record total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-7623

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.4 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
 2.8 2.5 def9a96e-e099-41a9-bfac-30fd4f82c411

Weakness enumeration for CVE-2025-7623

Affected software / configurations for CVE-2025-7623

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-7623

cvelogic Threat Intelligence