CVE-2022-3386

criticalpriority · track · 40EPSS 0.016 · 76 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.64% (76th) EPSS

CVSS 9.8 · critical

Is it mine?

7 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

Advantech R-SeeNet Versions 2.4.17 and prior are vulnerable to a stack-based buffer overflow. An unauthorized attacker can use an outsized filename to overflow the stack buffer and enable remote code execution.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationR-SeeNetcisa_csaf_ot
Advantech recommends users update R-SeeNet to Version 2.4.21 or later.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ics-cert@hq.dhs.gov USexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-121USCWE-121USCWE-121US

affected products (7)

Products and version ranges known to be affected.

R-SeeNet - Version 2.4.17 and prior (CVE-2022-3386 and CVE-2022-3385 only)all versionscisa_csaf_otUS
R-SeeNet - Version 2.4.19 and priorall versionscisa_csaf_otUS
Advantech R-SeeNet≤ 2.4.17 (CVE-2022-3386 and CVE-2022-3385 only)cisa_csaf_otUS
Advantech R-SeeNet≤ 2.4.19cisa_csaf_otUS
Advantech R-SeeNet≤ 0 ≤2.4.17enisa_euvdEU
Advantech Co., Ltd R-SeeNet≤ 2.4.21fstec_bduRU
advantech r-seenet≤ 2.4.17nvdUScpe:2.3:a:advantech:r-seenet:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-22-291-01Advantech R-SeeNet2022-10-18icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could result in an unauthorized attacker remotely deleting files on the system or allowing remote code execution.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2022-10-27modified 2026-06-17

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Related entries.

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+16132 more

references (5)

External citations — patches, advisories, analysis.

https://cxsecurity.com/cveshow/CVE-2022-3386/cnnvd
https://www.advantech.com.cn/zh-cnPatchcnnvd
https://www.cisa.gov/uscert/ics/advisories/icsa-22-291-01 cnnvd
https://www.cisa.gov/uscert/ics/advisories/icsa-22-291-01 enisa_euvd
https://www.cisa.gov/uscert/ics/advisories/icsa-22-291-01MitigationThird Party AdvisoryUS Government Resourcenvd

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