CVE-2026-107441
High
Description
An out-of-bounds write vulnerability in the CGI program of Zyxel GS1900-24E firmware versions through 2.90(AAHK.2)C0 could allow an unauthenticated adjacent attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.
SeverityHigh
CVSS8.8
Exploit probability—
Product
GS1900-24E firmware
PublishedNov 3, 2026
First seenNov 4, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Zyxel GS1900-24E firmware | <= 2.90(AAHK.2)C0 | — |
| Zyxel GS1900-8 firmware | <= 2.90(AAHH.2)C0 | — |
| Zyxel GS1900-8HP firmware | <= 2.90(AAHI.2)C0 | — |
| Zyxel GS1900-10HP firmware | <= 2.90(AAZI.2)C0 | — |
| Zyxel GS1900-16 firmware | <= 2.90(AAHJ.2)C0 | — |
| Zyxel GS1900-24 firmware | <= 2.90(AAHL.2)C0 | — |
| Zyxel GS1900-24EP firmware | <= 2.90(ABTO.2)C0 | — |
| Zyxel GS1900-HPv2 firmware | <= 2.90(ABTP.2)C0 | — |
| Zyxel GS1900-48 firmware | <= 2.90(AAHN.2)C0 | — |
| Zyxel GS1900-48HPv2 firmware | <= 2.90(ABTQ.2)C0 | — |
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