OS command injection in QNAP HBS 3 Hybrid Backup Sync
An OS command injection vulnerability in QNAP HBS 3 Hybrid Backup Sync (HBS 3) allows remote attackers to execute arbitrary operating system commands by injecting crafted input into a command execution context. QNAP reports the issue is fixed in HBS 3 Hybrid Backup Sync version 25.1.1.673 and later.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
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.
Recent activity
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in QNAP software demonstrated at Pwn2Own Ireland 2024 and patched in October 2024.
An OS command injection vulnerability in QNAP Hybrid Backup Sync, exploited during Pwn2Own Ireland 2024.
The version that knows your environment.
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.