Privilege escalation in D-link Dnr-202l
CVE-2026-5312
A weakness has been identified 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 DNS-155…
EPSS: 0.002 (40.9th 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:N/I:N/A:L/E:P/RL:X/RC:R.
Affected products
- D-link Dnr-202l — versions 20260205
- D-link Dnr-322l — versions 20260205
- D-link Dnr-326 — versions 20260205
- D-link Dns-1100-4 — versions 20260205
- D-link Dns-120 — versions 20260205
- D-link Dns-1200-05 — versions 20260205
- D-link Dns-1550-04 — versions 20260205
- D-link Dns-315l — versions 20260205
- D-link Dns-320 — versions 20260205
- D-link Dns-320l — versions 20260205
Weakness classification (CWE)
References
- VDB-354641 | D-Link DNS-1550-04 dsk_mgr.cgi Get_current_raidtype access control (vdb-entry, technical-description)
- VDB-354641 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #780442 | D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/326/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Improper Access Controls (third-party-advisory)
- Submit #780443 | D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/326/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Improper Access Controls (Duplicate) (third-party-advisory)
- github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_172/172.md (related)
- github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_173/173.md (exploit)
- www.dlink.com/ (product)
Frequently asked questions
- What is CVE-2026-5312?
- CVE-2026-5312 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-2026-5312?
- Medium severity. CVSS v3 base score is 5.3 out of 10.