Vulnerability in Pax Technology Q80
CVE-2026-19910
PAX Technology Q80 Application Installer Signature Verification Bypass Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of PAX Technology Q80. Authentication is not required to exploit this vulnerability. The specific flaw exists within the application installer. The issue results from the lack of proper verification of a cryptographic signature before installing an application. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-30585.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (18.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Pax Technology Q80 — versions 2.6.33.6690R
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-26-526/ (x_research-advisory)
Frequently asked questions
- What is CVE-2026-19910?
- CVE-2026-19910 is a high-severity vulnerability in Pax Technology Q80, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2026-08-14.
- How severe is CVE-2026-19910?
- High severity. CVSS v3 base score is 7.5 out of 10.