What’s Vulnerable › Vulnerabilities

CVE-2018-10731

• Severity: critical (CVSS 9.0 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-05-17 · updated 2026-06-17
• Weakness: CWE-119

Description

All Phoenix Contact managed FL SWITCH 3xxx, 4xxx, 48xx products running firmware version 1.0 to 1.33 are prone to buffer overflows when handling very large cookies (a different vulnerability than CVE-2018-10728).

Affected products

• Phoenixcontact Fl Switch 3004T-Fx Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 3004T-Fx St Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 3005 Firmware: from 1.0 (excl.) through 1.33
• Phoenixcontact Fl Switch 3005T Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 3006T-2Fx Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 3006T-2Fx Sm Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 3006T-2Fx St Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 3008 Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 3008T Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 3012E-2Fx Sm Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 3012E-2Sfx Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 3016 Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 3016E Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 3016T Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 4000T-8Poe-2Sfp-R Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 4008T-2Gt-3Fx Sm Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 4008T-2Gt-4Fx Sm Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 4008T-2Sfp Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 4012T-2Gt-2Fx St Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 4012T 2Gt 2Fx Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 4800E-24Fx-4Gc Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 4800E-24Fx Sm-4Gc Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 4808E-16Fx-4Gc Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 4808E-16Fx Lc-4Gc Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 4808E-16Fx Sm-4Gc Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 4808E-16Fx Sm Lc-4Gc Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 4808E-16Fx Sm St-4Gc Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 4808E-16Fx St-4Gc Firmware: from 1.0 through 1.33
• Phoenixcontact Fl Switch 4824E-4Gc Firmware: from 1.0 through 1.33

References

• http://www.securityfocus.com/bid/104231
• https://cert.vde.com/de-de/advisories/vde-2018-007
• https://ics-cert.us-cert.gov/advisories/ICSA-18-137-02
• http://www.securityfocus.com/bid/104231
• https://cert.vde.com/de-de/advisories/vde-2018-007
• https://ics-cert.us-cert.gov/advisories/ICSA-18-137-02

Get alerted when CVE-2018-10731 or the next vulnerability affects your stack