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CVE-2014-8886

Status Candidate

Overview

AVM 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.

Related Files

AVM FRITZ!Box: Arbitrary Code Execution Via Firmware Images
Posted Jan 7, 2016
Site redteam-pentesting.de

The firmware upgrade process of the FRITZ!Box 7490 is flawed. Specially crafted firmware images can overwrite critical files. Arbitrary code can get executed if an attempt is made to install such a manipulated firmware. Versions prior to 6.30 are affected.

tags | exploit, arbitrary
advisories | CVE-2014-8886
SHA-256 | 575a5202feb5cb4ff01e56570859e1e60b9ab855f5594241a51b4e330b92b5b4
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