Authenticated Buffer Overflow

Published 3 y ago 2023-05-08 · modified 4 mo ago 2026-06-17 · JSON

CVSS

8.8

v3.1 · CNA

CISA KEV

not known exploited

EPSS

15.5%

percentile 97%

Public exploits

none known

Advantech EKI-1524, EKI-1522, EKI-1521 devices through 1.21 are affected by a Stack-based Buffer Overflow vulnerability, which can be triggered by authenticated users via a crafted POST request.

CISA SSVC assessment

Exploitation: Proof of concept public
Automatable: no
Technical impact: total
Assessed: 21 mo ago 2025-01-29

Exploit prediction (EPSS)

15.50% probability of exploitation in the next 30 days, higher than 97% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
CNA	3.1	8.8	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`
CNA	3.1	8.8	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`
NVD	3.1	8.8	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

Affected products

Advantech EKI-1524
Advantech EKI-1522
Advantech EKI-1521

Classification

Weakness

CWE-121 Stack-based Buffer Overflow
CWE-787 Out-of-bounds Write

References

advantech.com /en/support/details/firmware?id=1-1J9BED3 · patch, x_transferred
advantech.com /en/support/details/firmware?id=1-1J9BEBL · patch, x_transferred
advantech.com /en/support/details/firmware?id=1-1J9BECT · patch, x_transferred
cyberdanube.com /en/multiple-vulnerabilities-in-advantech-eki-15xx-series/ · third-party-advisory, x_transferred
seclists.org /fulldisclosure/2023/May/4 · x_transferred
packetstormsecurity.com /files/172307/Advantech-EKI-15XX-Series-Command-Injection-Buffer-Overflow.html · x_transferred

Sources

CVE List: CVE-2023-2575
NVD: CVE-2023-2575

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary