TI-2014-07255 Aliases CVE-2014-8886 GHSA-w6v8-ffc7-5f5p

AVM FRITZ!OS before 6.30 extracts the contents of firmware updates before verifying their…

MEDIUM 44CWE-310Published 2016-01-08 · Updated 2024-08-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.06137 93rd percentileScored 2026-11-07

Public exploit Yes 2 exploit referencesTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:avm:fritz\!_os::::::::	up to 6.23	Vulnerable	Avm

cpe:2.3:o:avm:fritz\!_os:*:*:*:*:*:*:*:* Versions up to 6.23 Vulnerable ·Avm

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2014-8886
2026-10-03 Alias added: GHSA-w6v8-ffc7-5f5p

References

Exploit 2

Advisory 1

https://avm.de/service/sicherheitsinfos-zu-updates/

Other 1

http://packetstormsecurity.com/files/135161/AVM-FRITZ-Box-Arbitrary-Code-Execution-Via-Firmware-Images.html

TI-2015-06014 Cross-site scripting (XSS) vulnerability in the Push-Service-Mails feature in AVM… CVSS 3.0MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences