Null Byte Nightmare: CISA Flags New Wing FTP Vulnerability in KEV Catalog
CISA has added CVE-2025-47812 to its Known Exploited Vulnerabilities Catalog. This vulnerability in Wing FTP Server is a frequent attack vector for cyber actors, posing significant risks. Federal agencies must remediate such vulnerabilities by the deadline to protect their networks from active threats.

Hot Take:
Oh, look! CISA’s vulnerability catalog has a new member, and it’s not getting a warm welcome. It turns out the Wing FTP Server’s vulnerability is like the friend who shows up uninvited to your party and ends up breaking the stereo. Nonetheless, CISA’s got its eye on it, ensuring federal networks aren’t left stuck in an awkward silence.
Key Points:
- The vulnerability in question is CVE-2025-47812, affecting Wing FTP Server.
- This vulnerability involves improper neutralization of Null Byte or NUL Character.
- CISA’s KEV Catalog is a dynamic list tracking known exploited vulnerabilities.
- Federal agencies are required to patch vulnerabilities by specified deadlines under BOD 22-01.
- Failure to address these risks could lead to significant threats to federal networks.
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