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Back to active CVEs
High · CVSS 7.7CVE-2026-81944

PLANET IGS-5225-8P2T4S V1/V2 Stack-Based Buffer Overflow via Web ServerCVE-2026-81944

Answer in brief

CVE-2026-81944 records a High severity (CVSS 7.7) vulnerability in PLANET IGS-5225-8P2T4S V1/V2 Stack-Based Buffer Overflow via Web Server. The current sources do not mark it as known exploited. The current feed maps PLANET Technology Corp./PLANET IGS-5225-8P2T4S V1 (generic), PLANET Technology Corp./PLANET IGS-5225-8P2T4S V2 (generic), PLANET Technology Corp./PLANET IGS-5225-8P2T4S V2 (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 Sep 18, 2026Updated Sep 22, 2026Source checked Nov 2, 2026First seen by HOL Sep 18, 2026Material review Sep 22, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.7
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.7. 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 PLANET Technology Corp./PLANET IGS-5225-8P2T4S V1 (generic), PLANET Technology Corp./PLANET IGS-5225-8P2T4S V2 (generic), PLANET Technology Corp./PLANET IGS-5225-8P2T4S V2 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
PLANET Technology Corp./PLANET IGS-5225-8P2T4S V1generic>=0 <1.2412b2607071.2412b260707
PLANET Technology Corp./PLANET IGS-5225-8P2T4S V2generic>=0 <2.2412b2605192.2412b260519
PLANET Technology Corp./PLANET IGS-5225-8P2T4S V2generic*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for PLANET Technology Corp./PLANET IGS-5225-8P2T4S V1, PLANET Technology Corp./PLANET IGS-5225-8P2T4S V2, PLANET Technology Corp./PLANET IGS-5225-8P2T4S V2.
  2. 2Review the reported fix. Update PLANET Technology Corp./PLANET IGS-5225-8P2T4S V1 to 1.2412b260707; PLANET Technology Corp./PLANET IGS-5225-8P2T4S V2 to 2.2412b260519 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Sep 18, 2026

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

  2. Source modified

    Sep 22, 2026

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

  3. First seen by HOL

    Sep 18, 2026

Sources and claim methodology

  • Source referenceplanet.com.tw
  • Source referencevulncheck.com
Upstream source description

PLANET IGS-5225-8P2T4S industrial managed switch V1 and V2 firmware versions before 1.2412b260707 and 2.2412b260519 contain a stack-based buffer overflow in the web server. Insufficient bounds checking on data copied into a stack buffer allows a remote authenticated attacker to cause a denial of service or potentially execute arbitrary code on the underlying operating system.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • psqlODBC ODBC escape parser stack buffer overflowAlso CWE-121
  • psqlODBC stack buffer overflow when quoting long schema and table namesAlso CWE-121
  • psqlODBC stack buffer overflow copying ctid and oid values for updatable cursorsAlso CWE-121
  • PyMuPDF 1.25.3 before 2.0 Stack Buffer Overflow via add_freetext_annot() CalloutAlso CWE-121
  • ReadyMedia 1.3.0 - 1.3.3 Stack Buffer Overflow via DFF ParserAlso CWE-121

Record context

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