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CVE-2026-120283

CRITICALCVSS 10/10

Last modified

CVE-2026-120283 is a critical-severity vulnerability rated 10/10 on the CVSS scale. A vulnerability was identified in Linksys E8450 1.2.00.360516. Affected is the function strcpy of the file /www/cgi-bin/portal.cgi.

Description

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.

Metrics

CVSS 3.1
10/10

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

CVSS 4.0
9.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinksysE84501.2.00.360516

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-120283?
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.
How severe is CVE-2026-120283?
CVE-2026-120283 has a CVSS score of 10/10 (CRITICAL severity).
How do I fix CVE-2026-120283?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST