CVE-2021-20863

highPriorität · verfolgen · 32EPSS 0.009 · 58. PerzentilEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.86% (58th) EPSS

CVSS 7.7 · high

Is it mine?

15 products

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Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · bewertet 2026-10-28

OS command injection vulnerability in ELECOM routers (WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior) allows a network-adjacent authenticated attackers to execute an arbitrary OS command with the root privilege via unspecified vectors.

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

8.0

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen

v2.07.7highAV:A/AC:L/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USAusnutzbarkeit 5.1 · Auswirkung 10

v3.18highCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USAusnutzbarkeit 2.1 · Auswirkung 5.9

v3.17.3highCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-78USprimär

betroffene Produkte (15)

Betroffene Produkte und Versionsbereiche.

ELECOM CO.,LTD. ELECOM routers≤ (WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior)enisa_euvdEU
elecom edwrc-2533gst2 firmware≤ 1.25nvdUScpe:2.3:o:elecom:edwrc-2533gst2_firmware:*:*:*:*:*:*:*:*
elecom wrc-1167gst2 firmware≤ 1.25nvdUScpe:2.3:o:elecom:wrc-1167gst2_firmware:*:*:*:*:*:*:*:*
elecom wrc-1167gst2a firmware≤ 1.25nvdUScpe:2.3:o:elecom:wrc-1167gst2a_firmware:*:*:*:*:*:*:*:*
elecom wrc-1167gst2h firmware≤ 1.25nvdUScpe:2.3:o:elecom:wrc-1167gst2h_firmware:*:*:*:*:*:*:*:*
elecom wrc-1750gs firmware≤ 1.03nvdUScpe:2.3:o:elecom:wrc-1750gs_firmware:*:*:*:*:*:*:*:*
elecom wrc-1750gsv firmware≤ 2.11nvdUScpe:2.3:o:elecom:wrc-1750gsv_firmware:*:*:*:*:*:*:*:*
elecom wrc-1900gst firmware≤ 1.03nvdUScpe:2.3:o:elecom:wrc-1900gst_firmware:*:*:*:*:*:*:*:*
elecom wrc-2533gs2-b firmware≤ 1.52nvdUScpe:2.3:o:elecom:wrc-2533gs2-b_firmware:*:*:*:*:*:*:*:*
elecom wrc-2533gs2-w firmware≤ 1.52nvdUScpe:2.3:o:elecom:wrc-2533gs2-w_firmware:*:*:*:*:*:*:*:*
elecom wrc-2533gst firmware≤ 1.03nvdUScpe:2.3:o:elecom:wrc-2533gst_firmware:*:*:*:*:*:*:*:*
elecom wrc-2533gst2 firmware≤ 1.25nvdUScpe:2.3:o:elecom:wrc-2533gst2_firmware:*:*:*:*:*:*:*:*
elecom wrc-2533gst2-g firmware≤ 1.25nvdUScpe:2.3:o:elecom:wrc-2533gst2-g_firmware:*:*:*:*:*:*:*:*
elecom wrc-2533gst2sp firmware≤ 1.25nvdUScpe:2.3:o:elecom:wrc-2533gst2sp_firmware:*:*:*:*:*:*:*:*
elecom wrc-2533gsta firmware≤ 1.03nvdUScpe:2.3:o:elecom:wrc-2533gsta_firmware:*:*:*:*:*:*:*:*

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cnnvd enisa_euvd nvd NVD CVE.org MITRE

veröffentlicht 2021-12-01geändert 2026-06-17

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Referenzen (8)

Externe Belege — Patches, Meldungen, Analysen.

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