CVE-2026-5212

HIGH EPSS 49.9%
Published Mar 31, 20263mo ago · Modified Jun 17, 20261w ago
7.4 CVSS 4.0
High
Find Similar
Published Mar 31, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

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 Details

Base Score
7.4
Exploitability
—
Impact
—
Vector string
CVSS: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:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
49.9% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 3

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-121
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 40

VendorProductVersionRange
dlinkdnr-202l_firmware* ≤2026-02-05
dlinkdnr-202l*any
dlinkdnr-326_firmware* ≤2026-02-05
dlinkdnr-326*any
dlinkdns-1100-4_firmware* ≤2026-02-05
dlinkdns-1100-4*any
dlinkdns-120_firmware* ≤2026-02-05
dlinkdns-120*any
dlinkdns-1200-05_firmware* ≤2026-02-05
dlinkdns-1200-05*any
dlinkdns-1550-04_firmware* ≤2026-02-05
dlinkdns-1550-04*any
dlinkdns-315l_firmware* ≤2026-02-05
dlinkdns-315l*any
dlinkdns-320_firmware* ≤2026-02-05
dlinkdns-320*any
dlinkdns-320l_firmware* ≤2026-02-05
dlinkdns-320l*any
dlinkdns-320lw_firmware* ≤2026-02-05
dlinkdns-320lw*any
dlinkdns-321_firmware* ≤2026-02-05
dlinkdns-321*any
dlinkdns-322l_firmware* ≤2026-02-05
dlinkdns-322l*any
dlinkdns-323_firmware* ≤2026-02-05
dlinkdns-323*any
dlinkdns-325_firmware* ≤2026-02-05
dlinkdns-325*any
dlinkdns-326_firmware* ≤2026-02-05
dlinkdns-326*any
dlinkdns-327l_firmware* ≤2026-02-05
dlinkdns-327l*any
dlinkdns-340l_firmware* ≤2026-02-05
dlinkdns-340l*any
dlinkdns-343_firmware* ≤2026-02-05
dlinkdns-343*any
dlinkdns-345_firmware* ≤2026-02-05
dlinkdns-345*any
dlinkdns-726-4_firmware* ≤2026-02-05
dlinkdns-726-4*any

References 6

  • github.com https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_166/166.md
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/submit/780435
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/submit/780436
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/vuln/354348
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/vuln/354348/cti
    Permissions RequiredVDB Entry
  • dlink.com https://www.dlink.com/
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.