CVE-2026-73171: advantech eki-1242eims External Control of File Name or Path
Vulnerability summary
CVE-2026-73171 is a high (CVSS 8.6) External Control of File Name or Path vulnerability in advantech eki-1242eims. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 43.1% of scored vulnerabilities.
Timeline
- 16-09-2026PublishedVulnerability first disclosed.
- 17-09-2026Last modifiedVulnerability information updated.
Description
Nozomi Networks Labs identified a CWE-73: External Control of File Name or Path vulnerability in the backup-restore workflow of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows a remote authenticated attacker to overwrite arbitrary files on the device filesystem by uploading a crafted backup archive through the web management interface.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST8.6HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/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
EPSS trend
Probability
0.52%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
+0.02 pp
From 0.50% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Advantech2 products
- eki-1242eims≤ 1.06.01
- eki-1242ieims≤ 1.06.01
1 vendor · 2 products
References
2 links- www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-73171Third Party Advisory
- advcloudfiles.advantech.com/cms/…Vendor Advisory