EUVD-2026-25839CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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8DescriptionNVD
A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument setIptvCfg results in os command injection. The attack can be initiated remotely. The exploit has been made public and could be used.
AnalysisAI
OS command injection in Totolink A8000RU router firmware 7.1cu.643_b20200521 allows remote unauthenticated attackers to execute arbitrary system commands via the setIptvCfg parameter in /cgi-bin/cstecgi.cgi. CVSS 8.9 (Critical) with network attack vector and no authentication required. …
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RemediationAI
Within 24 hours: Identify and inventory all Totolink A8000RU devices running firmware 7.1cu.643_b20200521 in your environment using network scanning or management platforms. Within 7 days: Implement network segmentation to isolate affected routers from sensitive systems and restrict internet access to firmware download and update servers only. …
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