CVE-2014-8886

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Summary

CVECVE-2014-8886
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-01-08 20:59:00 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionAVM FRITZ!OS before 6.30 extracts the contents of firmware updates before verifying their cryptographic signature, which allows remote attackers to create symlinks or overwrite critical files, and consequently execute arbitrary code, via a crafted firmware image.

Risk And Classification

Primary CVSS: v3.0 8.1 HIGH from [email protected]

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-310 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary8.1HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary9.3AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:M/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Avm Fritz! Os All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
RedTeam Pentesting GmbH - AVM FRITZ!Box: Arbitrary Code Execution Through Manipulated Firmware Images af854a3a-2127-422b-91ae-364da2661108 www.redteam-pentesting.de Exploit
Sicherheitsinfos zu Updates | AVM Deutschland af854a3a-2127-422b-91ae-364da2661108 avm.de Vendor Advisory
Full Disclosure: [RT-SA-2014-014] AVM FRITZ!Box: Arbitrary Code Execution Through Manipulated Firmware Images af854a3a-2127-422b-91ae-364da2661108 seclists.org Exploit
AVM FRITZ!Box: Arbitrary Code Execution Via Firmware Images ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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