CVE-2017-14016

medium

Published 2017-11-06 · Modified 2026-05-13

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

6.3

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.3

Description

A Stack-based Buffer Overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. The application lacks proper validation of the length of user-supplied data prior to copying it to a stack-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.

Predictions

Exploit likelihood

73%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

exploit_windows/scada/advantech_webaccess_webvrpcs_bof rank 400

Advantech WebAccess Webvrpcs Service Opcode 80061 Stack Buffer Overflow

Source fetch failed: fetch_error — view the original via the link above.

Application impact

Vendor	Product	Versions	Fixed
advantech	webaccess	`{"endExcluding":"8.2_20170817"}`	`8.2_20170817`

References

CWEs

CWE-121 CWE-119

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.