Description
Sharp and Toshiba Tec MFPs (multifunction printers) for a certain market have been shipped with the user authentication feature disabled in the initial configuration. When used with the initial configuration, the address book editing and a range of features related to Document Filing can be accessed without user authentication.
Products intended for the Japanese market are not affected.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Sharp | Sharp MFPs | see the information provided by Sharp Corporation | — |
| Toshiba Tec | Toshiba Tec MFPs | see the information provided by Toshiba Tec | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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redr0nin/CVE-2026-63563 ★ 2 · Jul 31, 2026
Unauthenticated Address Book Modification on Sharp MX/BP Multifunction Printers
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.