Zyxel: >> Gs1900-24hpv2 Firmware >> 2.80(abtp.1)c0 Security Vulnerabilities
CVE-2026-7273
A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-based, unauthenticated attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.
Known exploited
CVSS Score
8.8
EPSS Score
0.02
Published
2026-06-16
A buffer overflow vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and earlier could allow an authenticated, LAN-based attacker with administrator privileges to cause denial of service (DoS) conditions via a crafted URL.
CVSS Score
4.5
EPSS Score
0.002
Published
2024-11-12
A post-authentication command injection vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and earlier could allow an authenticated, LAN-based attacker with administrator privileges to execute some operating system (OS) commands on an affected device by sending a crafted HTTP request.
CVSS Score
6.8
EPSS Score
0.007
Published
2024-11-12