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Home > Cybersecurity > QNAP urged users to disable AFP

QNAP urged users to disable AFP

QNAP advised its customers to disable the AFP file service protocol on NAS appliances due to Netatalk vulnerabilities.


Erdem Yasar Erdem Yasar
April 28, 2022
2 min read
QNAP urged users to disable AFP

QNAP urges its customers to disable the AFP file protocol, which allows macOS systems to access data on the NAS, on the NAS appliances until the Netatalk vulnerabilities are fixed. Netatalk, an implementation of AFP, allows systems to act as an AppleShare file server for macOS clients. Without AFP, macOS systems will not be able to access data on the NAS.

Multiple vulnerabilities with 9.8 severity ratings

The Netatalk development team disclosed multiple fixed vulnerabilities affecting earlier versions of the software with the release of Netatalk 3.1.13: CVE-2021-31439, CVE-2022-23121, CVE-2022-23123, CVE-2022-23122, CVE-2022-23125, CVE-2022-23124, and CVE-2022-0194. QNAP operating system versions affected by these vulnerabilities are:

  • QTS 5.0.x and later
  • QTS 4.5.4 and later
  • QTS 4.3.6 and later
  • QTS 4.3.4 and later
  • QTS 4.3.3 and later
  • QTS 4.2.6 and later
  • QuTS hero h5.0.x and later
  • QuTS hero h4.5.4 and later
  • QuTScloud c5.0.x

The vulnerabilities affecting QTS 4.5.4.2012 build 20220419 and later are already fixed. QNAP stated that they are investigating the case and they will release security updates for all affected QNAP operating system versions and provide further information as soon as possible.

To mitigate the vulnerabilities, QNAP asked users to disable AFP and install the security updates as soon as they become available. AFP can be disabled by selecting Disable AFP under the Control Panel > Network & File Services > Win/Mac/NFS/WebDAV > Apple Networking menu of QTS or QuTS hero NAS device.

See more Cybersecurity News


Tags: QNAP
Erdem Yasar

Erdem Yasar

Erdem Yasar is a news editor at Cloud7 News. Erdem started his career by writing video game reviews in 2007 for PC World magazine while he was studying computer engineering. In the following years, he focused on software development with various programming languages. After his graduation, he continued to work as an editor for several major tech-related websites and magazines. During the 2010s, Erdem Yasar shifted his focus to cloud computing, hosting, and data centers as they were becoming more popular topics in the tech industry. Erdem Yasar also worked with various industry-leading tech companies as a content creator by writing blog posts and other articles. Prior to his role at Cloud7 News, Erdem was the managing editor of T3 Magazine.

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