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Vulnerability record · CVE-2015-7937 · published 21 December 2015

CVE-2015-7937: Schneider-electric bmxnoc0401 memory buffer overflow vulnerability

Schneider Electric · Bmxnoc0401

Stack-based buffer overflow in the GoAhead Web Server on Schneider Electric Modicon M340 PLC BMXNOx and BMXPx devices allows remote attackers to execute arbitrary code via a long password in HTTP Basic Authentication data.

10.0 CVSS 2.0 High EPSS 7.4% · top 5.8% CWE-119 · Memory buffer overflow
10.0CVSS 2.0 base score
7.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Stack-based buffer overflow in the GoAhead Web Server on Schneider Electric Modicon M340 PLC BMXNOx and BMXPx devices allows remote attackers to execute arbitrary code via a long password in HTTP Basic Authentication data.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

13 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2015-344-01 Vendor Advisory
http://www.securityfocus.com/bid/79622
https://ics-cert.us-cert.gov/advisories/ICSA-15-351-01 Third Party AdvisoryUS Government Resource
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2015-344-01 Vendor Advisory
http://www.securityfocus.com/bid/79622
https://ics-cert.us-cert.gov/advisories/ICSA-15-351-01 Third Party AdvisoryUS Government Resource

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Source: NIST National Vulnerability Database (record CVE-2015-7937), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.