Description
A security flaw has been discovered in NST Labs Tech Nstbrowser up to 1.2.1. The affected element is the function stopAllBrowsers of the file /api/agent/browser/stopAll of the component Local Agent Management Service. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| NST Labs Tech | Nstbrowser | 1.2.0, 1.2.1 | — |
References
- VDB-431086 | NST Labs Tech Nstbrowser Local Agent Management Service stopAll stopAllBrowsers denial of service vdb-entry technical-description
- VDB-431086 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-122020 | CVE Analysis and Report third-party-advisory
- Submit #1024994 | https://www.nstbrowser.io/en nstbroswer 1.2.1 DDOS third-party-advisory
- https://drive.google.com/drive/folders/1TzU1aHKabEHbMmSbqVR4HhxTAxKO6XII?usp=drive_link related
- https://drive.google.com/drive/folders/1TzU1aHKabEHbMmSbqVR4HhxTAxKO6XII exploit