SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-17910

The application fails to properly validate the length of user-supplied data, causing a buffer overflow condition that allows for arbitrary remote code execution.

HIGH 7.8EPSS 5.22%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

WebAccess Versions 8.3.2 and prior. The application fails to properly validate the length of user-supplied data, causing a buffer overflow condition that allows for arbitrary remote code execution.

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
5.22% probability · 92th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-121, CWE-119
Affected
advantech/webaccess
Source
ics-cert@hq.dhs.gov
EPSS trend
0%5%10%21 September 2026: 7.34%22 September 2026: 5.22%27 October 2026: 5.22%21 September 202627 October 2026

EPSS moved from 7.3% on 21 September 2026 to 5.2% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.