CVE-2026-5311: d-link dnr-202l Incorrect Privilege Assignment
Vulnerability summary
CVE-2026-5311 is a medium (CVSS 6.9) Incorrect Privilege Assignment vulnerability in d-link dnr-202l. EPSS estimates a 1.32% chance of exploitation in the next 30 days, higher than 70.4% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 01-04-2026PublishedVulnerability first disclosed.
- 02-04-2026Last modifiedVulnerability information updated.
Description
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 DNS-1550-04 up to 20260205. Affected is the function Webdav_Access_List of the file /cgi-bin/file_center.cgi. Performing a manipulation of the argument cmd results in improper access controls. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST5.5MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XDiffers
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVDNIST5.0MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS trend
Probability
1.32%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
+0.33 pp
From 0.99% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundMy Vuln
Maturity: poc
Weaknesses
CWE · root causeAffected systems
D-link20 products
- dnr-202l20260205
- dnr-322l20260205
- dnr-326_firmware20260205
- dns-1100-420260205
- dns-12020260205
Dlink20 products
- dnr-202l_firmware≤ 2026-02-05
- dnr-326_firmware≤ 2026-02-05
- dns-1100-4_firmware≤ 2026-02-05
- dns-120_firmware≤ 2026-02-05
- dns-1200-05_firmware≤ 2026-02-05
2 vendors · 40 products
References
5 links- www.dlink.comProduct