Reflected cross-site scripting in Fanvil x7a device log
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
Fanvil x7a firmware version 2.6.0.1182 does not sanitize or encode user-supplied data that its device log component reflects. A remote attacker without privileges can inject HTML that runs malicious JavaScript in the browser of a user who views the device log, but the user must interact with the page. The flaw is classified as CWE-79.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
The device log component of Fanvil x7a firmware version 2.6.0.1182 does not properly sanitize or encode reflected user supplied data. The lack of sanitization allows for the injection of HTML which can be used to execute malicious JavaScript code on any target browser which renders the device log component.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for Fanvil x7a.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-07 Threatist record created from CVE-2025-70519
- 2026-10-07 Alias added: GHSA-fpvc-vjr4-6cw4
- 2026-10-07 CVSS score added · CISA ADP
- 2026-10-07 Weakness changed · CISA ADP
- 2026-10-07 CISA SSVC decision points changed
- 2026-10-07 Priority changed: LOW → MEDIUM
References
Sources
- CVE-2025-70519 · CVE Program
- CVE-2025-70519 · NVD
- FIRST EPSS
- GHSA-fpvc-vjr4-6cw4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences