PT-2026-26633 · Qhora · Qhora

CVE-2025-62843 · Published 2026-03-20 · Updated 2026-03-30

Positive Technologies (AI Summary)

CVSS v3.1

6.8

Medium

Base vector

AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions QHora versions prior to 2.6.3.009

Description An issue exists in QHora where an improper restriction of communication channels to intended endpoints can allow an attacker with physical access to gain elevated privileges. The issue was exploited as part of the Pwn2Own Ireland competition, resulting in root access when chained with other flaws.

Recommendations Update to QHora version 2.6.3.009 or later.

Fix

Weakness Enumeration

CWE-923

Related Identifiers

CVE-2025-62843

ZDI-26-237

Affected Products

Qhora

References · 8

• https://qnap.com/en/security-advisory/qsa-26-12 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-26-237 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-62843 · Security Note
• https://twitter.com/infoflowcloud/status/2035621493992779859 · Twitter Post
• https://twitter.com/TweetThreatNews/status/2036105717338304576 · Twitter Post
• https://twitter.com/CyberDaily_News/status/2036256299936063580 · Twitter Post
• https://twitter.com/HostingTechNet/status/2038190064904163801 · Twitter Post
• https://twitter.com/CVEnew/status/2035619792770756919 · Twitter Post