CVE-2023-28771

Vulnerability ID

CVE-2023-28771

Severity

CRITICAL

Severity Score

9.8

Summary

Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35, which could allow an unauthenticated attacker to execute some OS commands remotely by sending crafted packets to an affected device.

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-remote-command-injection-vulnerability-of-firewalls

http://packetstormsecurity.com/files/172820/Zyxel-IKE-Packet-Decoder-Unauthenticated-Remote-Code-Execution.html

Mitigation and Patches

-

Exploits

https://github.com/benjaminhays/CVE-2023-28771-PoC

https://github.com/BenHays142/CVE-2023-28771-PoC

https://github.com/WhiteOwl-Pub/PoC-CVE-2023-28771

https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/misc/zyxel_ike_decoder_rce_cve_2023_28771.rb

http://packetstormsecurity.com/files/172820/Zyxel-IKE-Packet-Decoder-Unauthenticated-Remote-Code-Execution.html

https://www.cisa.gov/known-exploited-vulnerabilities-catalog