CVE-2018-10731 is a critical buffer overflow vulnerability affecting Phoenix Contact managed FL SWITCH 3xxx, 4xxx, and 48xx products running firmware versions 1.0 to 1.33, triggered by handling excessively large cookies. With a CVSS score of 9.0 (CRITICAL), it presents a high-impact threat due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity landscape.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
> 1.0, <= 1.33CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:fl_switch_3005_firmware:*:*:*:*:*:*:*:* | ||
>= 1.0, <= 1.33CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:fl_switch_3005t_firmware:*:*:*:*:*:*:*:* | ||
>= 1.0, <= 1.33CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:fl_switch_3004t-fx_firmware:*:*:*:*:*:*:*:* | ||
>= 1.0, <= 1.33CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:fl_switch_3004t-fx_st_firmware:*:*:*:*:*:*:*:* | ||
>= 1.0, <= 1.33CPE matchmatch criteria | cpe:2.3:o:phoenixcontact:fl_switch_3008_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.4 Reddit, 1.2 Bluesky, 0.9 Mastodon, and 2.3 GitHub mentions.
The average CVE in this peer group has 0.8 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.