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  4. CVE 2026 102212 pre auth heap buffer overflow in the multipart
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Back to active CVEs
High · CVSS 8.4CVE-2026-102212

Pre-Auth Heap Buffer Overflow in the Multipart RequestCVE-2026-102212

Answer in brief

CVE-2026-102212 records a High severity (CVSS 8.4) vulnerability in Pre-Auth Heap Buffer Overflow in the Multipart Request. The current sources do not mark it as known exploited. The current feed maps Opengear/ACM7000 (generic), Opengear/CM7100 (generic), Opengear/IM7200 (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 Oct 31, 2026Updated Oct 31, 2026Source checked Oct 31, 2026First seen by HOL Oct 31, 2026Material review Oct 31, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.4
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.4. 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 Opengear/ACM7000 (generic), Opengear/CM7100 (generic), Opengear/IM7200 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Opengear/ACM7000generic>=4.8 <=5.5.2Not reported
Opengear/CM7100generic>=4.8 <=5.5.2Not reported
Opengear/IM7200generic>=4.8 <=5.5.2Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Opengear/ACM7000, Opengear/CM7100, Opengear/IM7200.
  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

    Oct 31, 2026

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

  2. Source modified

    Oct 31, 2026

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

  3. First seen by HOL

    Oct 31, 2026

Sources and claim methodology

  • Source referenceportal.opengear.com
  • Source referenceportal.opengear.com
Upstream source description

Heap-based buffer overflow in Opengear IM72XX, CM71XX, and ACM70XX firmware versions 4.8.0 through 5.5.2 on console server appliances allows an unauthenticated remote attacker to crash the index.cgi process via a crafted multipart/form-data POST request containing an overlong Content-Disposition name field.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-122
Source
CVE List V5
Source checked
Oct 31, 2026
References
2 linked sources
Open source record