Buffer overflow in Dlink Dir-816 A2

CVE-2018-17065

An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices. Within the handler function of the /goform/DDNS route, a very long password could lead to a stack-based buffer overflow and overwrite the return address.

Vulnerability class: Buffer Overflow

EPSS: 0.019 (77.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-17065?
CVE-2018-17065 is a critical-severity vulnerability in Dlink Dir-816 A2, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-09-15.
How severe is CVE-2018-17065?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-17065 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.