RCE in D-link Dir-820lw
CVE-2026-4499
A vulnerability was determined in D-Link DIR-820LW 2.03. Affected is the function ssdpcgi_main of the component SSDP. Executing a manipulation can lead to os command injection. The attack may be launched remotely. The exploit has been publ…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.004 (62.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- D-link Dir-820lw — versions 2.03
- Dlink Dir-820lw
- Dlink Dir-820lw_firmware — versions 2.03
Weakness classification (CWE)
References
- VDB-352055 | D-Link DIR-820LW SSDP ssdpcgi_main os command injection (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-352055 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #773883 | D-Link DIR-820LW B2.03 OS Command Injection (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit)
- cna@vuldb.com (Exploit, exploit)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2026-4499?
- CVE-2026-4499 is a high-severity vulnerability in D-link Dir-820lw, classified under Command Injection. CVSS score: 7.3/10. Published 2026-03-20.
- How severe is CVE-2026-4499?
- High severity. CVSS v3 base score is 7.3 out of 10.