Privilege escalation in D-link Dnr-202l

CVE-2026-5311

A security flaw has been discovered in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DN…

EPSS: 0.001 (23.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-5311?
CVE-2026-5311 is a medium-severity vulnerability in D-link Dnr-202l, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-04-01.
How severe is CVE-2026-5311?
Medium severity. CVSS v3 base score is 5.3 out of 10.