CVE-2026-5311A 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, D…
Updated under an hour ago ()
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It affects dlink dnr-202l_firmware and 19 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 5.3 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-266, CWE-284
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
dlink dnr-202l_firmware dlink:dnr-202l_firmware | through 2026-02-05 | NVD |
dlink dnr-326_firmware dlink:dnr-326_firmware | through 2026-02-05 | NVD |
dlink dns-1100-4_firmware dlink:dns-1100-4_firmware | through 2026-02-05 | NVD |
dlink dns-120_firmware dlink:dns-120_firmware | through 2026-02-05 | NVD |
dlink dns-1200-05_firmware dlink:dns-1200-05_firmware | through 2026-02-05 | NVD |
dlink dns-1550-04_firmware dlink:dns-1550-04_firmware | through 2026-02-05 | NVD |
dlink dns-315l_firmware dlink:dns-315l_firmware | through 2026-02-05 | NVD |
dlink dns-320_firmware dlink:dns-320_firmware | through 2026-02-05 | NVD |
dlink dns-320l_firmware dlink:dns-320l_firmware | through 2026-02-05 | NVD |
dlink dns-320lw_firmware dlink:dns-320lw_firmware | through 2026-02-05 | NVD |
dlink dns-321_firmware dlink:dns-321_firmware | through 2026-02-05 | NVD |
dlink dns-322l_firmware dlink:dns-322l_firmware | through 2026-02-05 | NVD |
dlink dns-323_firmware dlink:dns-323_firmware | through 2026-02-05 | NVD |
dlink dns-325_firmware dlink:dns-325_firmware | through 2026-02-05 | NVD |
dlink dns-326_firmware dlink:dns-326_firmware | through 2026-02-05 | NVD |
dlink dns-327l_firmware dlink:dns-327l_firmware | through 2026-02-05 | NVD |
dlink dns-340l_firmware dlink:dns-340l_firmware | through 2026-02-05 | NVD |
dlink dns-343_firmware dlink:dns-343_firmware | through 2026-02-05 | NVD |
dlink dns-345_firmware dlink:dns-345_firmware | through 2026-02-05 | NVD |
dlink dns-726-4_firmware dlink:dns-726-4_firmware | through 2026-02-05 | NVD |
References
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_171/171.mdexploit, third-party-advisory
- https://vuldb.com/submit/780441third-party-advisory, vdb-entry
- https://vuldb.com/vuln/354640third-party-advisory, vdb-entry
- https://vuldb.com/vuln/354640/ctipermissions-required, vdb-entry
- https://www.dlink.com/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.