CVE-2026-22535 describes a high-severity vulnerability (CVSS 8.9) where an authenticated attacker with network access can exploit unencrypted MQTT communications to write to server topics controlling MQTT, leading to high impact on confidentiality, integrity, and availability. The attack requires low privileges and high attack complexity. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion, indicating a low immediate threat.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| EFACEC | QC 60/90/120 | 8CNA affecteddefault unaffected |
CVSS version used by this source: 4.0
CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.