Out-of-Bounds Write Vulnerability in Zyxel GS1900-24E Firmware
CVE-2026-107441

8.8HIGH

Key Information:

Vendor

Zyxel
Status
Gs1900-24e Firmware
Gs1900-8 Firmware
Gs1900-8HP Firmware
Gs1900-10HP Firmware
Vendor
CVE Published:
3 November 2026

What is CVE-2026-107441?

An out-of-bounds write vulnerability exists in the CGI program of Zyxel GS1900-24E firmware, allowing unauthenticated adjacent attackers to exploit this flaw. By sending specially crafted HTTP requests, attackers may be able to execute operating system commands on vulnerable devices, potentially compromising system integrity and security. It's crucial for users of the affected firmware versions to review security advisories and apply necessary patches to mitigate this risk.

Affected Version(s)

GS1900-10HP firmware <= 2.90(AAZI.2)C0

GS1900-16 firmware <= 2.90(AAHJ.2)C0

GS1900-24 firmware <= 2.90(AAHL.2)C0

References

https://www.zyxel.com/global/en/support/security-advisori...
vendor-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.