CVE-2018-7838 is a buffer overflow vulnerability (CWE-119) affecting Modicon M580 CPU (BMEP582040, versions prior to V2.90) and Modicon Ethernet Module (BMENOC0301, versions prior to V2.16). An unauthenticated attacker can trigger a denial of service on the FTP service by sending an overly long CWD command, requiring a power cycle to restore functionality. This vulnerability has a CVSSv3.1 score of 7.5 (High), indicating a network-based attack with low complexity and high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.16CPE matchmatch criteria | cpe:2.3:o:schneider-electric:bmenoc0301_firmware:*:*:*:*:*:*:*:* | ||
< 2.90CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:*:*:*:*:*:*:*:* | ||
< 2.90CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:*:*:*:*:*:*:*:* | ||
< 2.90CPE matchmatch criteria | cpe:2.3:o:schneider-electric:bmeh586040_firmware:*:*:*:*:*:*:*:* | ||
< 2.90CPE matchmatch criteria | cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.