CVE-2021-20859

High

Description

ELECOM LAN 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 attacker to execute an arbitrary OS command via unspecified vectors.

SeverityHigh
CVSS8.0
Exploit probability—
ProductElecom Wrc-1167gst2 Firmware
PublishedDec 1, 2021
First seenDec 1, 2021

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
elecom wrc-1167gst2_firmwarev ≤ 1.25—
elecom wrc-1167gst2a_firmwarev ≤ 1.25—
elecom wrc-1167gst2h_firmwarev ≤ 1.25—
elecom wrc-2533gs2-b_firmwarev ≤ 1.52—
elecom wrc-2533gs2-w_firmwarev ≤ 1.52—
elecom wrc-1750gs_firmwarev ≤ 1.03—
elecom wrc-1750gsv_firmwarev ≤ 2.11—
elecom wrc-1900gst_firmwarev ≤ 1.03—
elecom wrc-2533gst_firmwarev ≤ 1.03—
elecom wrc-2533gst2_firmwarev ≤ 1.25—
elecom wrc-2533gsta_firmwarev ≤ 1.03—
elecom wrc-2533gst2sp_firmwarev ≤ 1.25—
elecom wrc-2533gst2-g_firmwarev ≤ 1.25—
elecom edwrc-2533gst2_firmwarev ≤ 1.25—

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