CVE-2026-102212

Pre-Auth Heap Buffer Overflow in the Multipart Request

Published Oct 31, 2026 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Opengear
Opengear acm7000
Opengear cm7100
Opengear im7200
Vendors & Products Opengear
Opengear acm7000
Opengear cm7100
Opengear im7200
Type Values Removed Values Added
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.
Title Pre-Auth Heap Buffer Overflow in the Multipart Request
Weaknesses CWE-122
References
Metrics cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/S:P/AU:Y/RE:L/U:Red'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Digi
Published
Updated
Nov 6, 2026, 1:48 PM
Reserved
Sep 28, 2026, 6:23 PM
Status
Awaiting Analysis
Published
Oct 31, 2026, 4:16 PM
Modified
Nov 6, 2026, 2:17 PM