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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Zyxel | GS1900-48HPv2 firmware | <= 2.90(ABTQ.1)C0 | — |
| Zyxel | GS1900-8 firmware | <= 2.90(AAHH.1)C0 | — |
| Zyxel | GS1900-8HP firmware | <= 2.90(AAHI.1)C0 | — |
| Zyxel | GS1900-10HP firmware | <= 2.90(AAZI.1)C0 | — |
| Zyxel | GS1900-16 firmware | <= 2.90(AAHJ.1)C0 | — |
| Zyxel | GS1900-24 firmware | <= 2.90(AAHL.1)C0 | — |
| Zyxel | GS1900-24E firmware | <= 2.90(AAHK.1)C0 | — |
| Zyxel | GS1900-24EP firmware | <= 2.90(ABTO.1)C0 | — |
| Zyxel | GS1900-24HPv2 firmware | <= 2.90(ABTP.1)C0 | — |
| Zyxel | GS1900-48 firmware | <= 2.90(AAHN.1)C0 | — |