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CVE-2025-62842 is an external control of file name or path vulnerability in QNAP HBS 3 Hybrid Backup Sync. The flaw allows attacker-influenced file or directory path handling within the application, enabling unintended access to filesystem objects. According to the vendor, an attacker with local network access can exploit the issue to read or modify files or directories on an affected system. The vulnerability affects HBS 3 Hybrid Backup Sync versions prior to 26.2.0.938.
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What an attacker gets, and what they’ve been doing with it.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A QNAP vulnerability affecting HBS 3 Hybrid Backup Sync, referenced as one of the zero-day vulnerabilities patched after Pwn2Own Ireland 2025.
A zero-day vulnerability in QNAP HBS 3 Hybrid Backup Sync software, demonstrated at Pwn2Own 2025 and patched by QNAP.
A zero-day vulnerability in QNAP's HBS 3 Hybrid Backup Sync, exploited during Pwn2Own Ireland 2025.
One of multiple vulnerabilities demonstrated at Pwn2Own Ireland 2025 affecting QNAP routers and NAS devices; patched by QNAP (via HBS 3 Hybrid Backup Sync update).
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.