SMCI SYS-111C-NR BMC 1.04.11 Insyde SMASH Shell Program stack-based overflow

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in SMCI SYS-111C-NR BMC 1.04.11. This issue affects some unknown processing of the component Insyde SMASH Shell Program. This manipulation causes stack-based overflow. This vulnerability is tracked as CVE-2025-7704. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in SMCI SYS-111C-NR BMC 1.04.11 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Insyde SMASH Shell Program. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Supermicro BMC Insyde SMASH shell program has a stacked-based overflow vulnerability

The weakness was disclosed by Nils Heuer, Benedikt Heck, Benedict Schlüter and Shweta Shinde. It is possible to read the advisory at supermicro.com. This vulnerability is known as CVE-2025-7704 since 07/16/2025. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/13/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-163786). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.4
CNA Vector (Supermicro): 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/16/2025 CVE reserved
11/13/2025 +120 days Advisory disclosed
11/13/2025 +0 days VulDB entry created
11/13/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: supermicro.com
Researcher: Nils Heuer, Benedikt Heck, Benedict Schlüter, Shweta Shinde
Status: Not defined

CVE: CVE-2025-7704 (🔒)
GCVE (CVE): GCVE-0-2025-7704
GCVE (VulDB): GCVE-100-332347
EUVD: 🔒

Entryinfo

Created: 11/13/2025 13:08
Updated: 11/13/2025 15:23
Changes: 11/13/2025 13:08 (63), 11/13/2025 15:23 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!