CVE-2015-7937

critical
Published 2015-12-21 · Modified 2026-05-06
CVSS v3
CVSS v2
10.0
VIR risk
10.0

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: ics-cert@hq.dhs.gov — http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2015-344-01

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.