CVE-2025-7623Network attack vector

Authenticated code execution via crafted SMASH command

Published Nov 18, 2025 · Updated Nov 18, 2025

Stack overflow in Supermicro X13SEDW-F BMC firmware 01.04.11 allows remote authenticated users to execute arbitrary code. The SMASH-CLP shell fails to bound crafted command data before it overwrites the stack return address and processor registers. Exploitation requires valid SSH access to the BMC and executes code within the BMC firmware operating system.

CVSS severity5.4
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack overflow in Supermicro X13SEDW-F BMC firmware 01.04.11 allows remote authenticated users to execute arbitrary code. The SMASH-CLP shell fails to bound crafted command data before it overwrites the stack return address and processor registers. Exploitation requires valid SSH access to the BMC and executes code within the BMC firmware operating system.

The record

CVE
CVE-2025-7623
Published
Nov 18, 2025
Updated
Nov 18, 2025
Vendor
Supermicro
Product
X13SEDW-F
Classifications
CWE-121, T1210
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 18, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 18, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=01.04.11

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Supermicro · X13SEDW-Fversion=01.04.11

Published CVSS scores

5.4SupermicroCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-121Stack-based Buffer Overflow
T1210Exploitation of Remote Services

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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