Nozomi Networks Labs identified a CWE-306: Missing Authentication for Critical Function vulnerability in the edgserver management protocol…

published 2026-09-16 53 d ago modified 2026-09-23 46 d ago also EUVD-2026-80727

cvss: 8.8; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits: 0; none known

Nozomi Networks Labs identified a CWE-306: Missing Authentication for Critical Function vulnerability in the edgserver management protocol of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows a remote unauthenticated attacker to invoke critical device-management functions, including network reconfiguration, reboot, reset, and firmware upgrade, by sending crafted requests to TCP port 5058.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 52 d ago (2026-09-17)

Exploit prediction

0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.8	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
CNA	4.0	8.8	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/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

Affected products

Advantech EKI-1242IEIMS
Advantech EKI-1242EIMS

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality

References

advcloudfiles.advantech.com /cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----EKI-1242IEIMS-
vendor-advisory
nozominetworks.com /labs/vulnerability-advisories-cve-2026-73173
third-party-advisory

Sources

CVE List CVE-2026-73173
NVD CVE-2026-73173

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary