CVE-2026-107441

Vulnerability record

  • High 8.8

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.

Key facts

Published
3 Nov 2026
Last changed
5 Nov 2026
Assigned by
Zyxel
EPSS
0.293% likely to be exploited in the next 30 days, higher than 22.151% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: none; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 8.8CVSS 3.1, Highfrom the CNA (Zyxel)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
ZyxelGS1900-24E firmware
  • Default status: unaffected
  • <= 2.90(AAHK.2)C0 (affected)
ZyxelGS1900-8 firmware
  • Default status: unaffected
  • <= 2.90(AAHH.2)C0 (affected)
ZyxelGS1900-8HP firmware
  • Default status: unaffected
  • <= 2.90(AAHI.2)C0 (affected)
ZyxelGS1900-10HP firmware
  • Default status: unaffected
  • <= 2.90(AAZI.2)C0 (affected)
ZyxelGS1900-16 firmware
  • Default status: unaffected
  • <= 2.90(AAHJ.2)C0 (affected)
ZyxelGS1900-24 firmware
  • Default status: unaffected
  • <= 2.90(AAHL.2)C0 (affected)
ZyxelGS1900-24EP firmware
  • Default status: unaffected
  • <= 2.90(ABTO.2)C0 (affected)
ZyxelGS1900-HPv2 firmware
  • Default status: unaffected
  • <= 2.90(ABTP.2)C0 (affected)
ZyxelGS1900-48 firmware
  • Default status: unaffected
  • <= 2.90(AAHN.2)C0 (affected)
ZyxelGS1900-48HPv2 firmware
  • Default status: unaffected
  • <= 2.90(ABTQ.2)C0 (affected)

Timeline

  1. 3 Nov 2026 Published

Weakness

Related coverage

References