CVE-2023-40709 describes a denial-of-service vulnerability affecting Opto 22 SNAP PAC S1 controllers running firmware version R10.3b, specifically when the built-in web server is enabled but not fully configured. An unauthenticated attacker can crash the device by sending a large volume of ICMP requests. This high-severity vulnerability (CVSS 7.5) requires no user interaction and has a low attack complexity, leading to high availability impact. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
r10.3bCPE matchmatch criteria | cpe:2.3:o:opto22:snap_pac_s1_firmware:r10.3b:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
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.