CVE-2021-20859
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
18- cpe:2.3:o:elecom:edwrc-2533gst2_firmware:*:*:*:*:*:*:*:*Range: <=1.25
- cpe:2.3:o:elecom:wrc-1167gst2_firmware:*:*:*:*:*:*:*:*Range: <=1.25
- cpe:2.3:o:elecom:wrc-1167gst2a_firmware:*:*:*:*:*:*:*:*Range: <=1.25
- cpe:2.3:o:elecom:wrc-1167gst2h_firmware:*:*:*:*:*:*:*:*Range: <=1.25
- cpe:2.3:o:elecom:wrc-1750gs_firmware:*:*:*:*:*:*:*:*Range: <=1.03
- cpe:2.3:o:elecom:wrc-1750gsv_firmware:*:*:*:*:*:*:*:*Range: <=2.11
- cpe:2.3:o:elecom:wrc-1900gst_firmware:*:*:*:*:*:*:*:*Range: <=1.03
- cpe:2.3:o:elecom:wrc-2533gs2-b_firmware:*:*:*:*:*:*:*:*Range: <=1.52
- cpe:2.3:o:elecom:wrc-2533gs2-w_firmware:*:*:*:*:*:*:*:*Range: <=1.52
- cpe:2.3:o:elecom:wrc-2533gst2-g_firmware:*:*:*:*:*:*:*:*Range: <=1.25
- cpe:2.3:o:elecom:wrc-2533gst2_firmware:*:*:*:*:*:*:*:*Range: <=1.25
- cpe:2.3:o:elecom:wrc-2533gst2sp_firmware:*:*:*:*:*:*:*:*Range: <=1.25
- cpe:2.3:o:elecom:wrc-2533gst_firmware:*:*:*:*:*:*:*:*Range: <=1.03
- cpe:2.3:o:elecom:wrc-2533gsta_firmware:*:*:*:*:*:*:*:*Range: <=1.03
- Range: <=v1.52
- Range: <=v1.03
- Range: <=v1.25
- ELECOM CO.,LTD./ELECOM LAN routersv5Range: 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
Patches
Vulnerability mechanics
References
2- jvn.jp/en/jp/JVN88993473/index.htmlnvdThird Party Advisory
- www.elecom.co.jp/news/security/20211130-01/nvdVendor Advisory
News mentions
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