CVE-2026-18907: CWE-23 Relative path traversal in TECNO Mobile Hi Browser
Path Traversal in Download File Feature in com.talpa.hibrowser 2.23.1.1 on Android allows arbitrary file write via directory traversal sequences in the filename.
AI Analysis
Technical Summary
CVE-2026-18907 is a CWE-23 relative path traversal vulnerability in the Download File feature of the Hi Browser app (com.talpa.hibrowser) version 2.23.1.1 on Android. The vulnerability allows an unauthenticated attacker to write arbitrary files on the device by exploiting directory traversal sequences in the filename, potentially impacting availability. The CVSS v3.1 base score is 7.5, indicating high severity with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability.
Potential Impact
An attacker can write arbitrary files on the affected device, which may lead to denial of service or disruption of normal application functionality. There is no direct confidentiality or integrity impact reported. No known exploits are currently observed in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users and administrators should monitor TECNO Mobile advisories for updates and avoid untrusted file downloads using the affected version.
CVE-2026-18907: CWE-23 Relative path traversal in TECNO Mobile Hi Browser
Description
Path Traversal in Download File Feature in com.talpa.hibrowser 2.23.1.1 on Android allows arbitrary file write via directory traversal sequences in the filename.
CVSS v3.1
Score 7.5high
Affected software
TECNO Mobile
Hi Browser
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18907 is a CWE-23 relative path traversal vulnerability in the Download File feature of the Hi Browser app (com.talpa.hibrowser) version 2.23.1.1 on Android. The vulnerability allows an unauthenticated attacker to write arbitrary files on the device by exploiting directory traversal sequences in the filename, potentially impacting availability. The CVSS v3.1 base score is 7.5, indicating high severity with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability.
Potential Impact
An attacker can write arbitrary files on the affected device, which may lead to denial of service or disruption of normal application functionality. There is no direct confidentiality or integrity impact reported. No known exploits are currently observed in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users and administrators should monitor TECNO Mobile advisories for updates and avoid untrusted file downloads using the affected version.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- TECNOMobile
- Date Reserved
- 2026-08-05T01:25:36.338Z
- State
- PUBLISHED
Threat ID: 6a729be7bf8831d539114840
Added to database: 08/05/2026, 02:11:51 UTC
Last enriched: 08/12/2026, 15:00:38 UTC
Last updated: 09/19/2026, 22:01:32 UTC
Views: 64
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