RCE in Dasannetworks Gpon_router

CVE-2018-10562

An issue was discovered on Dasan GPON home routers. Command Injection can occur via the dest_host parameter in a diag_action=ping request to a GponForm/diag_Form URI. Because the router saves ping results in /tmp and transmits them to the…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.999 (100.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: The impacted product is end-of-life and should be disconnected if still in use.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-10562?
CVE-2018-10562 is a critical-severity vulnerability in Dasannetworks Gpon_router, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-05-04.
How severe is CVE-2018-10562?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-10562 known to be exploited?
Yes. CVE-2018-10562 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-31), indicating it is being actively exploited. 30 public proof-of-concept repositories are indexed.