CVE-2026-5212

highpriority · track · 0EPSS 0.007 · 54 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.74% (54th) EPSS

CVSS 9 · high

Is it mine?

60 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · fstec_bdu

EPSS · scored 2026-10-27

A vulnerability has been found 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. This issue affects the function Webdav_Upload_File of the file /cgi-bin/webdav_mgr.cgi. The manipulation of the argument f_file leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

cvss

Technical severity, 0–10. One row per scoring source.

9.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.3–9

v2.09highAV:N/AC:L/Au:S/C:C/I:C/A:Csecondary · cna@vuldb.comexploitability 8 · impact 10

v3.18.8highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · cna@vuldb.comexploitability 2.8 · impact 5.9

v4.08.7highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:Psecondary · ENISA EU

v4.07.4highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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:Xsecondary · cna@vuldb.com

v4.06.3mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/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:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-119USCWE-119USCWE-121USCWE-121USCWE-787US

affected products (60)

Products and version ranges known to be affected.

D-Link DNR-202L≤ 20260205enisa_euvdEU
D-Link DNR-322L≤ 20260205enisa_euvdEU
D-Link DNR-326≤ 20260205enisa_euvdEU
D-Link DNS-1100-4≤ 20260205enisa_euvdEU
D-Link DNS-120≤ 20260205enisa_euvdEU
D-Link DNS-1200-05≤ 20260205enisa_euvdEU
D-Link DNS-1550-04≤ 20260205enisa_euvdEU
D-Link DNS-315L≤ 20260205enisa_euvdEU
D-Link DNS-320≤ 20260205enisa_euvdEU
D-Link DNS-320L≤ 20260205enisa_euvdEU
D-Link DNS-320LW≤ 20260205enisa_euvdEU
D-Link DNS-321≤ 20260205enisa_euvdEU
D-Link DNS-323≤ 20260205enisa_euvdEU
D-Link DNS-325≤ 20260205enisa_euvdEU
D-Link DNS-326≤ 20260205enisa_euvdEU
D-Link DNS-327L≤ 20260205enisa_euvdEU
D-Link DNS-340L≤ 20260205enisa_euvdEU
D-Link DNS-343≤ 20260205enisa_euvdEU
D-Link DNS-345≤ 20260205enisa_euvdEU
D-Link DNS-726-4≤ 20260205enisa_euvdEU

showing 20 of 60

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu NVD CVE.org MITRE

published 2026-03-31modified 2026-07-24

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+16119 more

references (18)

External citations — patches, advisories, analysis.

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