---
title: "CVE-2026-120283: Linksys E8450 - Buffer Overflow"
description: "Linksys E8450 1.2.00.360516 contains a stack-based buffer overflow caused by improper handling of the \"hidden_timezone\" argument in /www/cgi-bin/portal.cgi, letting remote attackers execute code remotely, exploit requires crafted request."
url: https://panop.io/threat-heartbeat/CVE-2026-120283/
---

# CVE-2026-120283 Linksys E8450 - Buffer Overflow

Linksys E8450 1.2.00.360516 contains a stack-based buffer overflow caused by improper handling of the "hidden\_timezone" argument in /www/cgi-bin/portal.cgi, letting remote attackers execute code remotely, exploit requires crafted request.

CVSS base score 10.0 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-120283)

## Details

Type

Buffer Overflow

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Published

2 November 2026

Updated

3 November 2026

Weakness

[CWE-119](https://cwe.mitre.org/data/definitions/119.html)

## Vendor fix

Update to the latest version or apply vendor patches if available.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-120283](https://nvd.nist.gov/vuln/detail/CVE-2026-120283)
- [https://vuldb.com/vuln/429627/cti](https://vuldb.com/vuln/429627/cti)
- [https://www.linksys.com/](https://www.linksys.com/)
- [https://vuldb.com/cve/CVE-2026-120283](https://vuldb.com/cve/CVE-2026-120283)
- [https://vuldb.com/submit/1014924](https://vuldb.com/submit/1014924)
- [https://vuldb.com/vuln/429627](https://vuldb.com/vuln/429627)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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