CVE-2019-9955

Zyxel devices including ATP200/ATP500/ATP800, USG and ZyWALL series (e.g., USG20-VPN/USG1100/USG1900/ ZyWALL 110/310) are affected by CVE-2019-9955. The vulnerability is a reflected Cross-Site Scripting flaw on the security firewall login page caused by unsanitized mp_idx parameter in weblogin.cg...

CVE-2019-9955: Improper Neutralization of Input During Web Page Generation

On Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210, USG310, USG1100, USG1900, USG2200-VPN, ZyWALL 110, ZyWALL 310, ZyWALL 1100 devices, the security firewall login page is vulnerable to Reflected XSS via the unsanitized 'mpidx' parameter...