CVE-2022-30526
HIGHZyxel Firewall Firmware - Privilege Escalation via CLI Command
Title source: llmExploitation Summary
EIP tracks 2 public exploits for CVE-2022-30526.
PoCs published by greek0x0, jbaines-r7, including Metasploit module exploits/linux/local/zyxel_suid_cp_lpe.
AI-analyzed exploit summary This Metasploit module exploits CVE-2022-30526, a local privilege escalation vulnerability in Zyxel firewalls. It leverages a SUID binary to overwrite the crontab, achieving root execution via a malicious cron job.
Description
A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.09 through 4.72, which could allow a local attacker to execute some OS commands with root privileges in some directories on a vulnerable device.
Exploits (2)
This Metasploit module exploits CVE-2022-30526, a local privilege escalation vulnerability in Zyxel firewalls. It leverages a SUID binary to overwrite the crontab, achieving root execution via a malicious cron job.
This Metasploit module exploits CVE-2022-30526, a local privilege escalation vulnerability in Zyxel firewalls. It leverages a SUID binary to overwrite the crontab, achieving root execution via a malicious cron job.
References (2)
Scores
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H