CVE-2020-8949

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-02-12 · updated 2026-06-17
Weakness: CWE-78

Description

Gocloud S2A_WL 4.2.7.16471, S2A 4.2.7.17278, S2A 4.3.0.15815, S2A 4.3.0.17193, S3A K2P MTK 4.2.7.16528, S3A 4.3.0.16572, and ISP3000 4.3.0.17190 devices allows remote attackers to execute arbitrary OS commands via shell metacharacters in a ping operation, as demonstrated by the cgi-bin/webui/admin/tools/app_ping/diag_ping/; substring.

Affected products

Gocloud Isp3000 Firmware: 4.3.0.17190
Gocloud S2A Firmware: 4.2.7.17278, 4.3.0.15815, 4.3.0.17193
Gocloud S2A Wl Firmware: 4.2.7.16471
Gocloud S3A Firmware: 4.3.0.16572
Gocloud S3A K2P Mtk Firmware: 4.2.7.16528

References

https://sku11army.blogspot.com/2020/02/gocloud-rce-in-gocloud-routers.html
https://sku11army.blogspot.com/2020/02/gocloud-rce-in-gocloud-routers.html

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