---
id: CVE-2026-120283
title: Linksys E8450 portal.cgi strcpy stack-based overflow
summary: >-
  A vulnerability was identified in Linksys E8450 1.2.00.360516. Affected is the
  function strcpy of the file /www/cgi-bin/portal.cgi. Such manipulation of the
  argument hidden_timezone leads to stack-based buffer overflow. The attack can
  be…
severity: critical
cvss: 10
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'
cvssSource: cna
cwe:
  - CWE-121
  - CWE-119
vendor: Linksys
product: E8450
affected:
  - E8450 1.2.00.360516
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-11-02T14:23:45.555931Z'
published: '2026-11-02'
updated: '2026-11-02'
sourceUpdated: '2026-11-02T14:24:28.643Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-120283'
references:
  - url: 'https://vuldb.com/vuln/429627'
    label: VDB-429627 | Linksys E8450 portal.cgi strcpy stack-based overflow
  - url: 'https://vuldb.com/vuln/429627/cti'
    label: 'VDB-429627 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-120283'
    label: CVE-2026-120283 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1014924'
    label: >-
      Submit #1014924 | Linksys E8450 firmware 1.2.00.360516 Linksys E8450
      portal.cgi hidden_timezone stack buffer overflow
  - url: 'https://www.linksys.com/'
tags:
  - cve.org
epss: 0.00584
epssPercentile: 0.4814
ingestedAt: '2026-11-05T19:30:42.651Z'
---

## Overview

A vulnerability was identified in Linksys E8450 1.2.00.360516. Affected is the function strcpy of the file /www/cgi-bin/portal.cgi. Such manipulation of the argument hidden_timezone leads to stack-based buffer overflow. The attack can be executed remotely. The vendor was contacted early about this disclosure but did not respond in any way.

## Affected

- `E8450 1.2.00.360516`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.