CVE-2016-8352
A stack-based buffer overflow can be triggered during the SNMP login authentication process that may allow an attacker to remotely execute code.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in Schneider Electric ConneXium firewalls TCSEFEC23F3F20 all versions, TCSEFEC23F3F21 all versions, TCSEFEC23FCF20 all versions, TCSEFEC23FCF21 all versions, and TCSEFEC2CF3F20 all versions. A stack-based buffer overflow can be triggered during the SNMP login authentication process that may allow an attacker to remotely execute code.
- CVSS 3.0
- 10.0 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 4.16% probability · 91th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- schneider-electric/connexium firmware
- Source
- ics-cert@hq.dhs.gov
EPSS 4.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/94062Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-16-306-01Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/94062Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-16-306-01Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.