Buffer overflow in D-Link Dir-605l

CVE-2026-5980

A flaw has been found in D-Link DIR-605L 2.13B01. Affected by this issue is the function formSetMACFilter of the file /goform/formSetMACFilter of the component POST Request Handler. This manipulation of the argument curTime causes buffer overflow. The attack may be initiated remotely. The exploit has been published and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (50.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-5980?
CVE-2026-5980 is a high-severity vulnerability in D-Link Dir-605l, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-04-09.
How severe is CVE-2026-5980?
High severity. CVSS v3 base score is 8.8 out of 10.