Category Archives: Advisories

ZDI-22-1658: Foxit PDF Reader U3D File Parsing Use-After-Free Remote Code Execution Vulnerability

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This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

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CVE-2020-23584

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Unauthenticated remote code execution in OPTILINK OP-XT71000N, Hardware Version: V2.2 occurs when the attacker passes arbitrary commands with IP-ADDRESS using ” | ” to execute commands on ” /diag_tracert_admin.asp ” in the “PingTest” parameter that leads to command execution.

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CVE-2020-23586

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A vulnerability found in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack to Add Network Traffic Control Type Rule.

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CVE-2020-23587

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A vulnerability found in the OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack to men in the middle attack by adding New Routes in RoutingConfiguration on ” /routing.asp “.

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CVE-2020-23588

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A vulnerability in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack to “Enable or Disable Ports” and to “Change port number” through ” /rmtacc.asp “.

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CVE-2020-23589

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A vulnerability in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack to cause a Denial of Service by Rebooting the router through ” /mgm_dev_reboot.asp.”

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CVE-2020-23590

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A vulnerability in Optilink OP-XT71000N Hardware version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an unauthenticated remote attacker to conduct a cross-site request forgery (CSRF) attack to change the Password for “WLAN SSID” through “wlwpa.asp”.

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CVE-2020-23591

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A vulnerability in OPTILINK OP-XT71000N Hardware Version: V2.2 , Firmware Version: OP_V3.3.1-191028 allows an attacker to upload arbitrary files through ” /mgm_dev_upgrade.asp ” which can “delete every file for Denial of Service (using ‘rm -rf *.*’ in the code), reverse connection (using ‘.asp’ webshell), backdoor.

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CVE-2020-23583

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OPTILINK OP-XT71000N V2.2 is vulnerable to Remote Code Execution. The issue occurs when the attacker sends an arbitrary code on “/diag_ping_admin.asp” to “PingTest” interface that leads to COMMAND EXECUTION. An attacker can successfully trigger the COMMAND and can compromise full system.

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