CVE-2018-15704
Advantech WebAccess 8.3.2 and below is vulnerable to a stack buffer overflow vulnerability.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 21.5%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
Advantech WebAccess 8.3.2 and below is vulnerable to a stack buffer overflow vulnerability. A remote authenticated attacker could potentially exploit this vulnerability by sending a crafted HTTP request to broadweb/system/opcImg.asp.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 21.54% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- advantech/webaccess
- Source
- vulnreport@tenable.com
EPSS moved from 16.2% on 21 September 2026 to 21.5% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://www.tenable.com/security/research/tra-2018-33Exploit, Third Party Advisory
- https://www.tenable.com/security/research/tra-2018-33Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.