CVE-2026-2155
D-Link DIR-823X Configuration set_dmz sub_4208A0 os command injection
HIGH 7.3EPSS 4.6%
A security flaw has been discovered in D-Link DIR-823X 250416. The affected element is the function sub_4208A0 of the file /goform/set_dmz of the component Configuration Handler. The manipulation of the argument dmz_host/dmz_enable results in os command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
- Affected
- D-Link · DIR-823X
- CVSS v4.0 VULDB
- 7.3 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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 - CVSS v3.1 VULDB
- 7.2 HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 VULDB
- 8.3 HIGH
AV:N/AC:L/Au:M/C:C/I:C/A:C - EPSS
- 4.58% chance of exploitation in the next 30 days, 92nd percentile
- Published
- 2026-02-08
- Updated
- 2026-02-23
Proof-of-concept exploits (1)
- master-abc/cve/issues/328★ · 2025-12-22
Security advisories
- https://vuldb.com/?id.344857
- https://vuldb.com/?submit.748236
- https://vuldb.com/?submit.750038
- https://www.dlink.com