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  4. CVE 2026 120283 linksys e8450 portalcgi strcpy stack based
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Back to active CVEs
Critical · CVSS 10.0CVE-2026-120283

Linksys E8450 portal.cgi strcpy stack-based overflowCVE-2026-120283

Answer in brief

CVE-2026-120283 records a Critical severity (CVSS 10.0) vulnerability in Linksys E8450 portal.cgi strcpy stack-based overflow. The current sources do not mark it as known exploited. The current feed maps Linksys/E8450 (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 2, 2026Updated Nov 2, 2026Source checked Nov 2, 2026First seen by HOL Nov 2, 2026Material review Nov 2, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 10.0
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 10.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linksys/E8450 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linksys/E8450generic1.2.00.360516Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linksys/E8450.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Nov 2, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 2, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 2, 2026

Sources and claim methodology

  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencelinksys.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Ruijie RG-ES205GC Local Firmware Upgrade httpupg.cgi buffer overflowAlso CWE-119
  • WAVLINK WN536AX6-A OpenVPN protocol.csp strcpy stack-based overflowAlso CWE-121

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-121, CWE-119
Source
CVE List V5
Source checked
Nov 2, 2026
References
5 linked sources
Open source record