# CVE-2018-10562: Dasan GPON Routers Command Injection Vulnerability

Source: https://junglewise.ai/threats/cve-2018-10562-dasan-gpon-routers-command-injection-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-03-31. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2018-10562 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-03-31

Dasan GPON home routers are vulnerable to OS command injection via the dest_host parameter in a diag_action=ping request to the GponForm/diag_Form URI. An attacker can execute arbitrary commands and retrieve output because the device saves ping results to a publicly accessible temporary file.

## Quick answers

**Is CVE-2018-10562 exploited in the wild?** Yes. CVE-2018-10562 is known to be exploited in the wild, first recorded on 31 March 2022. Treat it as urgent.

**How severe is CVE-2018-10562?** Critical severity, with a CVSS score of 9.8, published 31 March 2022.

**Which products and versions are affected?** Dasan Networks GPON Router All versions (End-of-Life).

**Is there a fix for CVE-2018-10562?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2018-10562 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2018-10562?** Check whether you run Dasan Gigabit Passive Optical Network (GPON) Routers. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Dasan Networks GPON Router All versions (End-of-Life)

## Timeline

- 2018-05-03: disclosed: NVD Published Date
- 2022-03-31: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

## Related threats

- [Dasan GPON Routers Authentication Bypass Vulnerability](https://junglewise.ai/threats/cve-2018-10561-dasan-gpon-routers-authentication-bypass-vulnerability)