GHSA-rrv4-8jq5-8j78HighCVSS 8.8
A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware...
🔗 CVE IDs covered (1)
📋 Description
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.
🔗 References (5)
- https://nvd.nist.gov/vuln/detail/CVE-2026-7273
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-stack-based-buffer-overflow-vulnerability-in-gs1900-series-switches-06-16-2026
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-7273
- https://www.greynoise.io/blog/open-season-on-kapibala-attacker-steals-government-records-wordpress-exploitation
- https://github.com/advisories/GHSA-rrv4-8jq5-8j78