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CVE-2026-43853

A vulnerability could allow an attacker to send a crafted message to trigger an assertion fault, causing the service to crash.

High8.2EPSS 0.40%
Published
Updated
Reserved
Assigned by
CSA

Description

A vulnerability could allow an attacker to send a crafted message to trigger an assertion fault, causing the service to crash.

Timeline

  1. ID reserved

    By CSA

  2. · 6 months later

    Published

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-43853, by who scored it
Scored byCVSSScoreVector
CSACNA (assigner)4.0High8.2CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
NVDNVD · Deferred4.0High8.2CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/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 (exploitation in 30 days)
0.40% · top 66% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.2.

Weakness

Affected products

What to do

Solution: Advantech has released a security update to address these vulnerabilities. Users and administrators of affected product versions are advised to update to the latest version immediately.

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .